87331604 has 12 divisors (see below), whose sum is σ = 154672224. Its totient is φ = 43139544.

The previous prime is 87331603. The next prime is 87331627. The reversal of 87331604 is 40613378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87331603) by changing a digit.

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, 131192 + ... + 131855.

It is an arithmetic number, because the mean of its divisors is an integer number (12889352).

Almost surely, 2^87331604 is an apocalyptic number.

It is an amenable number.

87331604 is a deficient number, since it is larger than the sum of its proper divisors (67340620).

87331604 is a wasteful number, since it uses less digits than its factorization.

87331604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263134 (or 263132 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 87331604 is about 9345.1379872102. The cubic root of 87331604 is about 443.6670189608.

The spelling of 87331604 in words is "eighty-seven million, three hundred thirty-one thousand, six hundred four".