87 is a positive integer between 86 and 88. Properties Edit 87 is an odd composite number. In googology Edit 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 Edit In the European Union and some other countries, the FM broadcast band starts at 87.5 MHz, but in most countries, the first usable carrier frequency is 87.6 MHz. Retrieved from "https://large-numbers.fandom.com/wiki/87?oldid=5258" Community content is available under CC-BY-SA unless otherwise noted.