87195264 has 64 divisors (see below), whose sum is σ = 249443040. Its totient is φ = 26827776.

The previous prime is 87195259. The next prime is 87195289. The reversal of 87195264 is 46259178.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 3742 + ... + 13725.

Almost surely, 2^87195264 is an apocalyptic number.

It is an amenable number.

87195264 is an abundant number, since it is smaller than the sum of its proper divisors (162247776).

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

87195264 is a wasteful number, since it uses less digits than its factorization.

87195264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17497 (or 17485 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 87195264 is about 9337.8404355611. The cubic root of 87195264 is about 443.4360179478.

The spelling of 87195264 in words is "eighty-seven million, one hundred ninety-five thousand, two hundred sixty-four".