87112972 has 12 divisors (see below), whose sum is σ = 152742856. Its totient is φ = 43472160.

The previous prime is 87112951. The next prime is 87113003. The reversal of 87112972 is 27921178.

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, 18729 + ... + 22912.

Almost surely, 2^87112972 is an apocalyptic number.

It is an amenable number.

87112972 is a deficient number, since it is larger than the sum of its proper divisors (65629884).

87112972 is a wasteful number, since it uses less digits than its factorization.

87112972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42168 (or 42166 counting only the distinct ones).

The product of its digits is 14112, while the sum is 37.

The square root of 87112972 is about 9333.4330232771. The cubic root of 87112972 is about 443.2964739677.

The spelling of 87112972 in words is "eighty-seven million, one hundred twelve thousand, nine hundred seventy-two".