85176409866231 has 32 divisors (see below), whose sum is σ = 120633494533632. Its totient is φ = 53343159154560.

The previous prime is 85176409866199. The next prime is 85176409866283. The reversal of 85176409866231 is 13266890467158.

It is not a de Polignac number, because 85176409866231 - 2⁵ = 85176409866199 is a prime.

It is a super-2 number, since 2×85176409866231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85176409862231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12746725 + ... + 18243678.

It is an arithmetic number, because the mean of its divisors is an integer number (3769796704176).

It is a 2-persistent number, because it is pandigital, and so is 2⋅85176409866231 = 170352819732462, but 3⋅85176409866231 = 255529229598693 is not.

Almost surely, 2^{85176409866231} is an apocalyptic number.

85176409866231 is a deficient number, since it is larger than the sum of its proper divisors (35457084667401).

85176409866231 is a wasteful number, since it uses less digits than its factorization.

85176409866231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30991143.

The product of its (nonzero) digits is 104509440, while the sum is 66.

The spelling of 85176409866231 in words is "eighty-five trillion, one hundred seventy-six billion, four hundred nine million, eight hundred sixty-six thousand, two hundred thirty-one".