87056211066 has 16 divisors (see below), whose sum is σ = 189940824288. Its totient is φ = 26380670000.

The previous prime is 87056211029. The next prime is 87056211133. The reversal of 87056211066 is 66011265078.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659516685 + ... + 659516816.

It is an arithmetic number, because the mean of its divisors is an integer number (11871301518).

Almost surely, 2^87056211066 is an apocalyptic number.

87056211066 is an abundant number, since it is smaller than the sum of its proper divisors (102884613222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87056211066 is a wasteful number, since it uses less digits than its factorization.

87056211066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319033517.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 87056211066 in words is "eighty-seven billion, fifty-six million, two hundred eleven thousand, sixty-six".