87077904 has 40 divisors (see below), whose sum is σ = 228041952. Its totient is φ = 28627200.

The previous prime is 87077897. The next prime is 87077917. The reversal of 87077904 is 40977078.

It is a super-2 number, since 2×87077904² = 15165122730066432, which contains 22 as substring.

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, 8922 + ... + 15929.

Almost surely, 2^87077904 is an apocalyptic number.

It is an amenable number.

87077904 is an abundant number, since it is smaller than the sum of its proper divisors (140964048).

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

87077904 is a wasteful number, since it uses less digits than its factorization.

87077904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24935 (or 24929 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 87077904 is about 9331.5542113841. The cubic root of 87077904 is about 443.2369818437.

The spelling of 87077904 in words is "eighty-seven million, seventy-seven thousand, nine hundred four".