87133604 has 12 divisors (see below), whose sum is σ = 153028428. Its totient is φ = 43411200.

The previous prime is 87133597. The next prime is 87133621. The reversal of 87133604 is 40633178.

It can be written as a sum of positive squares in 2 ways, for example, as 30913600 + 56220004 = 5560^2 + 7498^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37637 + ... + 39884.

It is an arithmetic number, because the mean of its divisors is an integer number (12752369).

Almost surely, 2^87133604 is an apocalyptic number.

It is an amenable number.

87133604 is a deficient number, since it is larger than the sum of its proper divisors (65894824).

87133604 is a wasteful number, since it uses less digits than its factorization.

87133604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77806 (or 77804 counting only the distinct ones).

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

The square root of 87133604 is about 9334.5382317499. The cubic root of 87133604 is about 443.3314682618.

The spelling of 87133604 in words is "eighty-seven million, one hundred thirty-three thousand, six hundred four".