86612135203431 has 6 divisors (see below), whose sum is σ = 125106417516080. Its totient is φ = 57741423468948.

The previous prime is 86612135203427. The next prime is 86612135203441. The reversal of 86612135203431 is 13430253121668.

86612135203431 is a `hidden beast` number, since 8 + 6 + 6 + 1 + 2 + 1 + 3 + 5 + 203 + 431 = 666.

It is not a de Polignac number, because 86612135203431 - 2² = 86612135203427 is a prime.

It is a super-2 number, since 2×86612135203431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86612135203441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4811785289071 + ... + 4811785289088.

Almost surely, 2^{86612135203431} is an apocalyptic number.

86612135203431 is a deficient number, since it is larger than the sum of its proper divisors (38494282312649).

86612135203431 is a wasteful number, since it uses less digits than its factorization.

86612135203431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9623570578165 (or 9623570578162 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 86612135203431 in words is "eighty-six trillion, six hundred twelve billion, one hundred thirty-five million, two hundred three thousand, four hundred thirty-one".