87564882 has 24 divisors (see below), whose sum is σ = 184836816. Its totient is φ = 27651384.

The previous prime is 87564871. The next prime is 87564923. The reversal of 87564882 is 28846578.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18048 + ... + 22379.

It is an arithmetic number, because the mean of its divisors is an integer number (7701534).

Almost surely, 2^87564882 is an apocalyptic number.

87564882 is an abundant number, since it is smaller than the sum of its proper divisors (97271934).

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

87564882 is a wasteful number, since it uses less digits than its factorization.

87564882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40470 (or 40451 counting only the distinct ones).

The product of its digits is 860160, while the sum is 48.

The square root of 87564882 is about 9357.6109130483. The cubic root of 87564882 is about 444.0617051649.

The spelling of 87564882 in words is "eighty-seven million, five hundred sixty-four thousand, eight hundred eighty-two".