86499520 has 28 divisors (see below), whose sum is σ = 205977744. Its totient is φ = 34599680.

The previous prime is 86499509. The next prime is 86499541. The reversal of 86499520 is 2599468.

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 3 ways as a sum of consecutive naturals, for example, 134836 + ... + 135475.

It is an arithmetic number, because the mean of its divisors is an integer number (7356348).

Almost surely, 2^86499520 is an apocalyptic number.

86499520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86499520 is an abundant number, since it is smaller than the sum of its proper divisors (119478224).

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

86499520 is a wasteful number, since it uses less digits than its factorization.

86499520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270328 (or 270318 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 86499520 is about 9300.5118138735. The cubic root of 86499520 is about 442.2534530475.

The spelling of 86499520 in words is "eighty-six million, four hundred ninety-nine thousand, five hundred twenty".