86297872 has 20 divisors (see below), whose sum is σ = 168409360. Its totient is φ = 42837408.

The previous prime is 86297819. The next prime is 86297891. The reversal of 86297872 is 27879268.

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, 17178 + ... + 21625.

It is an arithmetic number, because the mean of its divisors is an integer number (8420468).

Almost surely, 2^86297872 is an apocalyptic number.

It is an amenable number.

86297872 is a deficient number, since it is larger than the sum of its proper divisors (82111488).

86297872 is a wasteful number, since it uses less digits than its factorization.

86297872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38950 (or 38944 counting only the distinct ones).

The product of its digits is 677376, while the sum is 49.

The square root of 86297872 is about 9289.6647948136. The cubic root of 86297872 is about 441.9095246930.

The spelling of 86297872 in words is "eighty-six million, two hundred ninety-seven thousand, eight hundred seventy-two".