86208563617 has 16 divisors (see below), whose sum is σ = 97177780224. Its totient is φ = 75766482000.

The previous prime is 86208563611. The next prime is 86208563627. The reversal of 86208563617 is 71636580268.

It is a de Polignac number, because none of the positive numbers 2^k-86208563617 is a prime.

It is a super-2 number, since 2×86208563617² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86208563611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210378 + ... + 465484.

It is an arithmetic number, because the mean of its divisors is an integer number (6073611264).

Almost surely, 2^86208563617 is an apocalyptic number.

It is an amenable number.

86208563617 is a deficient number, since it is larger than the sum of its proper divisors (10969216607).

86208563617 is a wasteful number, since it uses less digits than its factorization.

86208563617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256140.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 86208563617 in words is "eighty-six billion, two hundred eight million, five hundred sixty-three thousand, six hundred seventeen".