86582816 has 24 divisors (see below), whose sum is σ = 174620124. Its totient is φ = 42234880.

The previous prime is 86582813. The next prime is 86582843. The reversal of 86582816 is 61828568.

It can be written as a sum of positive squares in 2 ways, for example, as 84566416 + 2016400 = 9196^2 + 1420^2 .

It is not an unprimeable number, because it can be changed into a prime (86582813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31685 + ... + 34308.

Almost surely, 2^86582816 is an apocalyptic number.

It is an amenable number.

86582816 is an abundant number, since it is smaller than the sum of its proper divisors (88037308).

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

86582816 is a wasteful number, since it uses less digits than its factorization.

86582816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66044 (or 66036 counting only the distinct ones).

The product of its digits is 184320, while the sum is 44.

The square root of 86582816 is about 9304.9887694720. The cubic root of 86582816 is about 442.3953656863.

The spelling of 86582816 in words is "eighty-six million, five hundred eighty-two thousand, eight hundred sixteen".