87867732 has 24 divisors (see below), whose sum is σ = 205263072. Its totient is φ = 29255200.

The previous prime is 87867727. The next prime is 87867743. The reversal of 87867732 is 23776878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7882 + ... + 15422.

It is an arithmetic number, because the mean of its divisors is an integer number (8552628).

Almost surely, 2^87867732 is an apocalyptic number.

It is an amenable number.

87867732 is an abundant number, since it is smaller than the sum of its proper divisors (117395340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87867732 is a wasteful number, since it uses less digits than its factorization.

87867732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8519 (or 8517 counting only the distinct ones).

The product of its digits is 790272, while the sum is 48.

The square root of 87867732 is about 9373.7789604833. The cubic root of 87867732 is about 444.5730568251.

The spelling of 87867732 in words is "eighty-seven million, eight hundred sixty-seven thousand, seven hundred thirty-two".