86516516 has 12 divisors (see below), whose sum is σ = 154925232. Its totient is φ = 42252168.

The previous prime is 86516513. The next prime is 86516527. The reversal of 86516516 is 61561568.

It is a self number, because there is not a number n which added to its sum of digits gives 86516516.

It is not an unprimeable number, because it can be changed into a prime (86516513) 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, 251330 + ... + 251673.

It is an arithmetic number, because the mean of its divisors is an integer number (12910436).

Almost surely, 2^86516516 is an apocalyptic number.

86516516 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

86516516 is a deficient number, since it is larger than the sum of its proper divisors (68408716).

86516516 is a wasteful number, since it uses less digits than its factorization.

86516516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503050 (or 503048 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 86516516 is about 9301.4254821506. The cubic root of 86516516 is about 442.2824167822.

The spelling of 86516516 in words is "eighty-six million, five hundred sixteen thousand, five hundred sixteen".