87404764 has 12 divisors (see below), whose sum is σ = 154677600. Its totient is φ = 43211168.

The previous prime is 87404749. The next prime is 87404771. The reversal of 87404764 is 46740478.

It is a congruent number.

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, 122404 + ... + 123115.

It is an arithmetic number, because the mean of its divisors is an integer number (12889800).

Almost surely, 2^87404764 is an apocalyptic number.

It is an amenable number.

87404764 is a deficient number, since it is larger than the sum of its proper divisors (67272836).

87404764 is a wasteful number, since it uses less digits than its factorization.

87404764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245612 (or 245610 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 40.

The square root of 87404764 is about 9349.0515026927. The cubic root of 87404764 is about 443.7908749229.

The spelling of 87404764 in words is "eighty-seven million, four hundred four thousand, seven hundred sixty-four".