87200312 has 16 divisors (see below), whose sum is σ = 164544360. Its totient is φ = 43321824.

The previous prime is 87200297. The next prime is 87200339. The reversal of 87200312 is 21300278.

It is a congruent number.

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, 33458 + ... + 35969.

Almost surely, 2^87200312 is an apocalyptic number.

It is an amenable number.

87200312 is a deficient number, since it is larger than the sum of its proper divisors (77344048).

87200312 is a wasteful number, since it uses less digits than its factorization.

87200312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69590 (or 69586 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 87200312 is about 9338.1107296926. The cubic root of 87200312 is about 443.4445750709. Note that the first 3 decimals are identical.

The spelling of 87200312 in words is "eighty-seven million, two hundred thousand, three hundred twelve".