86514440520 has 32 divisors (see below), whose sum is σ = 259543321920. Its totient is φ = 23070517440.

The previous prime is 86514440503. The next prime is 86514440527. The reversal of 86514440520 is 2504441568.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (86514440527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360476716 + ... + 360476955.

It is an arithmetic number, because the mean of its divisors is an integer number (8110728810).

Almost surely, 2^86514440520 is an apocalyptic number.

It is an amenable number.

86514440520 is an abundant number, since it is smaller than the sum of its proper divisors (173028881400).

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

86514440520 is a wasteful number, since it uses less digits than its factorization.

86514440520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720953685 (or 720953681 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 39.

The spelling of 86514440520 in words is "eighty-six billion, five hundred fourteen million, four hundred forty thousand, five hundred twenty".