86794865955 has 120 divisors (see below), whose sum is σ = 183959542800. Its totient is φ = 39026655360.

The previous prime is 86794865891. The next prime is 86794865981. The reversal of 86794865955 is 55956849768.

It is not a de Polignac number, because 86794865955 - 2⁶ = 86794865891 is a prime.

It is a super-2 number, since 2×86794865955² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1174696 + ... + 1246394.

It is an arithmetic number, because the mean of its divisors is an integer number (1532996190).

Almost surely, 2^86794865955 is an apocalyptic number.

86794865955 is an abundant number, since it is smaller than the sum of its proper divisors (97164676845).

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

86794865955 is a wasteful number, since it uses less digits than its factorization.

86794865955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71791 (or 71775 counting only the distinct ones).

The product of its digits is 653184000, while the sum is 72.

The spelling of 86794865955 in words is "eighty-six billion, seven hundred ninety-four million, eight hundred sixty-five thousand, nine hundred fifty-five".