86324865 has 64 divisors (see below), whose sum is σ = 161187840. Its totient is φ = 39103680.

The previous prime is 86324857. The next prime is 86324891. The reversal of 86324865 is 56842368.

86324865 = T₂₈₆ + T₂₈₇ + ... + T₈₁₄.

It is not a de Polignac number, because 86324865 - 2³ = 86324857 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2007534 + ... + 2007576.

It is an arithmetic number, because the mean of its divisors is an integer number (2518560).

Almost surely, 2^86324865 is an apocalyptic number.

It is an amenable number.

86324865 is a deficient number, since it is larger than the sum of its proper divisors (74862975).

86324865 is a wasteful number, since it uses less digits than its factorization.

86324865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 85 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 86324865 is about 9291.1175323531. The cubic root of 86324865 is about 441.9555946599.

The spelling of 86324865 in words is "eighty-six million, three hundred twenty-four thousand, eight hundred sixty-five".