85114831772 has 24 divisors (see below), whose sum is σ = 157046341200. Its totient is φ = 40251758976.

The previous prime is 85114831751. The next prime is 85114831777. The reversal of 85114831772 is 27713841158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85114831777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866897 + ... + 960072.

It is an arithmetic number, because the mean of its divisors is an integer number (6543597550).

Almost surely, 2^85114831772 is an apocalyptic number.

It is an amenable number.

85114831772 is a deficient number, since it is larger than the sum of its proper divisors (71931509428).

85114831772 is a wasteful number, since it uses less digits than its factorization.

85114831772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827605 (or 1827603 counting only the distinct ones).

The product of its digits is 376320, while the sum is 47.

The spelling of 85114831772 in words is "eighty-five billion, one hundred fourteen million, eight hundred thirty-one thousand, seven hundred seventy-two".