87133684 has 48 divisors (see below), whose sum is σ = 173408256. Its totient is φ = 37951200.

The previous prime is 87133663. The next prime is 87133727. The reversal of 87133684 is 48633178.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172977 + ... + 173479.

It is an arithmetic number, because the mean of its divisors is an integer number (3612672).

Almost surely, 2^87133684 is an apocalyptic number.

It is an amenable number.

87133684 is a deficient number, since it is larger than the sum of its proper divisors (86274572).

87133684 is a wasteful number, since it uses less digits than its factorization.

87133684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 674 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 87133684 is about 9334.5425169100. The cubic root of 87133684 is about 443.3316039405.

The spelling of 87133684 in words is "eighty-seven million, one hundred thirty-three thousand, six hundred eighty-four".