87316256 has 24 divisors (see below), whose sum is σ = 172238220. Its totient is φ = 43573248.

The previous prime is 87316247. The next prime is 87316277. The reversal of 87316256 is 65261378.

It can be written as a sum of positive squares in 2 ways, for example, as 87235600 + 80656 = 9340^2 + 284^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16100 + ... + 20828.

Almost surely, 2^87316256 is an apocalyptic number.

It is an amenable number.

87316256 is a deficient number, since it is larger than the sum of its proper divisors (84921964).

87316256 is a wasteful number, since it uses less digits than its factorization.

87316256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316 (or 5308 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 87316256 is about 9344.3167754523. The cubic root of 87316256 is about 443.6410268418.

The spelling of 87316256 in words is "eighty-seven million, three hundred sixteen thousand, two hundred fifty-six".