86515060 has 24 divisors (see below), whose sum is σ = 183294216. Its totient is φ = 34298880.

The previous prime is 86515049. The next prime is 86515069. The reversal of 86515060 is 6051568.

It can be written as a sum of positive squares in 4 ways, for example, as 7873636 + 78641424 = 2806^2 + 8868^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86515069) 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, 16881 + ... + 21400.

It is an arithmetic number, because the mean of its divisors is an integer number (7637259).

Almost surely, 2^86515060 is an apocalyptic number.

It is an amenable number.

86515060 is an abundant number, since it is smaller than the sum of its proper divisors (96779156).

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

86515060 is a wasteful number, since it uses less digits than its factorization.

86515060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38403 (or 38401 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 86515060 is about 9301.3472142481. The cubic root of 86515060 is about 442.2799356883.

The spelling of 86515060 in words is "eighty-six million, five hundred fifteen thousand, sixty".