87331304 has 8 divisors (see below), whose sum is σ = 163746210. Its totient is φ = 43665648.

The previous prime is 87331301. The next prime is 87331313. The reversal of 87331304 is 40313378.

It can be written as a sum of positive squares in only one way, i.e., 60808804 + 26522500 = 7798^2 + 5150^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (87331301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5458199 + ... + 5458214.

Almost surely, 2^87331304 is an apocalyptic number.

It is an amenable number.

87331304 is a deficient number, since it is larger than the sum of its proper divisors (76414906).

87331304 is a wasteful number, since it uses less digits than its factorization.

87331304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10916419 (or 10916415 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 87331304 is about 9345.1219360691. The cubic root of 87331304 is about 443.6665109345. Note that the first 3 decimals are identical.

The spelling of 87331304 in words is "eighty-seven million, three hundred thirty-one thousand, three hundred four".