87

87 (eighty-seven) is a positive integer following 86 and preceding 88. Its ordinal form is written "eighty-seventh" or 87th.
== Properties ==
87 is an OEIS, Sequence A002808 (accessed 2021-02-07).
== In googology ==
In Greek-based number-naming systems, 87 is associated with prefix "heptaoctaconta-", and with prefix "septemoctoginti-" in Latin systems.
87 is the last two digits of Graham's number, or any power tower of 3's where the height is at least 3.
== In radio broadcasting ==
In the European Union and some other countries, the starts at , but in most countries, the first usable carrier frequency is .
==Sources==
Category:Numbers
Category:Class 1
Category:Non-powers
Category:Numbers 0-99
Category:Numbers in engineering
Category:Numbers with 1 to 2 digits
Category:Odd numbers