87964576 has 24 divisors (see below), whose sum is σ = 197920800. Its totient is φ = 37699008.

The previous prime is 87964559. The next prime is 87964601. The reversal of 87964576 is 67546978.

It is a happy 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, 196126 + ... + 196573.

It is an arithmetic number, because the mean of its divisors is an integer number (8246700).

Almost surely, 2^87964576 is an apocalyptic number.

It is an amenable number.

87964576 is an abundant number, since it is smaller than the sum of its proper divisors (109956224).

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

87964576 is a wasteful number, since it uses less digits than its factorization.

87964576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392716 (or 392708 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 52.

The square root of 87964576 is about 9378.9432240525. The cubic root of 87964576 is about 444.7363265652.

The spelling of 87964576 in words is "eighty-seven million, nine hundred sixty-four thousand, five hundred seventy-six".