86956972 has 12 divisors (see below), whose sum is σ = 161126280. Its totient is φ = 40920896.

The previous prime is 86956963. The next prime is 86956981. The reversal of 86956972 is 27965968.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (86956963) and next prime (86956981).

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, 639322 + ... + 639457.

It is an arithmetic number, because the mean of its divisors is an integer number (13427190).

Almost surely, 2^86956972 is an apocalyptic number.

It is an amenable number.

86956972 is a deficient number, since it is larger than the sum of its proper divisors (74169308).

86956972 is a wasteful number, since it uses less digits than its factorization.

86956972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278800 (or 1278798 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 52.

The square root of 86956972 is about 9325.0722249214. The cubic root of 86956972 is about 443.0317006531.

The spelling of 86956972 in words is "eighty-six million, nine hundred fifty-six thousand, nine hundred seventy-two".