86817081136 has 20 divisors (see below), whose sum is σ = 168256691200. Its totient is φ = 43395999552.

The previous prime is 86817081097. The next prime is 86817081139. The reversal of 86817081136 is 63118071868.

It is a self number, because there is not a number n which added to its sum of digits gives 86817081136.

It is not an unprimeable number, because it can be changed into a prime (86817081139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726576 + ... + 837583.

It is an arithmetic number, because the mean of its divisors is an integer number (8412834560).

Almost surely, 2^86817081136 is an apocalyptic number.

It is an amenable number.

86817081136 is a deficient number, since it is larger than the sum of its proper divisors (81439610064).

86817081136 is a wasteful number, since it uses less digits than its factorization.

86817081136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567636 (or 1567630 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 49.

The spelling of 86817081136 in words is "eighty-six billion, eight hundred seventeen million, eighty-one thousand, one hundred thirty-six".