пя́теро

fairly common #4818C2

numeral

1.
five (collective), five of them
У них пя́теро детей.
They have five children.
Collective numeral used mainly with people, young animals, and plural-only nouns; followed by the genitive plural.

Usage info

Analogous to двое, трое, четверо etc, this form is used when referring to a group of five humans of male, mixed, or unknown gender.

На про́шлой неде́ле пятеро студе́нтов отсу́тствовали на заня́тиях.
Last week five students were absent from class.
У роди́телей Тома пятеро дете́й: три сы́на и две до́чери.
Tom's parents have five children: three sons and two daughters.
У же́нщины пятеро дете́й.
The woman has five children.
Все пятеро кро́ликов бы́ли съедены голо́дными волка́ми.
All five rabbits were eaten by the hungry wolves.
Нас пятеро, а их - восемь.
There are five of us and eight of them.
У меня пятеро сынове́й. Двое — инжене́ры, один — учи́тель, и ещё двое — студе́нты.
I have five sons. Two are engineers, one is a teacher, and the other two are students.
У ка́ждого пятеро друзе́й. - "У меня семеро друзе́й".
Everyone has five friends. - "I have seven friends."
У ка́ждого есть пятеро друзе́й. - "У меня есть семеро друзе́й".
Everyone has five friends. - "I have seven friends."