87404576 has 24 divisors (see below), whose sum is σ = 196660800. Its totient is φ = 37459008.

The previous prime is 87404563. The next prime is 87404587. The reversal of 87404576 is 67540478.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194876 + ... + 195323.

It is an arithmetic number, because the mean of its divisors is an integer number (8194200).

Almost surely, 2^87404576 is an apocalyptic number.

It is an amenable number.

87404576 is an abundant number, since it is smaller than the sum of its proper divisors (109256224).

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

87404576 is a wasteful number, since it uses less digits than its factorization.

87404576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390216 (or 390208 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 87404576 is about 9349.0414481914. The cubic root of 87404576 is about 443.7905567375.

The spelling of 87404576 in words is "eighty-seven million, four hundred four thousand, five hundred seventy-six".