86312691955 has 16 divisors (see below), whose sum is σ = 118598917824. Its totient is φ = 59072232960.

The previous prime is 86312691953. The next prime is 86312691973. The reversal of 86312691955 is 55919621368.

It is not a de Polignac number, because 86312691955 - 2¹ = 86312691953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86312691896 and 86312691905.

It is not an unprimeable number, because it can be changed into a prime (86312691953) 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, 2348442 + ... + 2384911.

It is an arithmetic number, because the mean of its divisors is an integer number (7412432364).

Almost surely, 2^86312691955 is an apocalyptic number.

86312691955 is a deficient number, since it is larger than the sum of its proper divisors (32286225869).

86312691955 is a wasteful number, since it uses less digits than its factorization.

86312691955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4733886.

The product of its digits is 3499200, while the sum is 55.

The spelling of 86312691955 in words is "eighty-six billion, three hundred twelve million, six hundred ninety-one thousand, nine hundred fifty-five".