87231304 has 16 divisors (see below), whose sum is σ = 169199100. Its totient is φ = 42111552.

The previous prime is 87231293. The next prime is 87231317. The reversal of 87231304 is 40313278.

It can be written as a sum of positive squares in 2 ways, for example, as 80460900 + 6770404 = 8970^2 + 2602^2 .

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, 187767 + ... + 188230.

Almost surely, 2^87231304 is an apocalyptic number.

It is an amenable number.

87231304 is a deficient number, since it is larger than the sum of its proper divisors (81967796).

87231304 is a wasteful number, since it uses less digits than its factorization.

87231304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376032 (or 376028 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 87231304 is about 9339.7700185818. The cubic root of 87231304 is about 443.4971039595.

The spelling of 87231304 in words is "eighty-seven million, two hundred thirty-one thousand, three hundred four".