85646426131 has 32 divisors (see below), whose sum is σ = 102058767360. Its totient is φ = 70320265344.

The previous prime is 85646426081. The next prime is 85646426147. The reversal of 85646426131 is 13162464658.

It is not a de Polignac number, because 85646426131 - 2²⁵ = 85612871699 is a prime.

It is a super-2 number, since 2×85646426131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85646426191) 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 31 ways as a sum of consecutive naturals, for example, 18364906 + ... + 18369568.

It is an arithmetic number, because the mean of its divisors is an integer number (3189336480).

Almost surely, 2^85646426131 is an apocalyptic number.

85646426131 is a deficient number, since it is larger than the sum of its proper divisors (16412341229).

85646426131 is a wasteful number, since it uses less digits than its factorization.

85646426131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5395.

The product of its digits is 829440, while the sum is 46.

The spelling of 85646426131 in words is "eighty-five billion, six hundred forty-six million, four hundred twenty-six thousand, one hundred thirty-one".