85816312922 has 8 divisors (see below), whose sum is σ = 130834706772. Its totient is φ = 42204744000.

The previous prime is 85816312877. The next prime is 85816312927. The reversal of 85816312922 is 22921361858.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 71610295201 + 14206017721 = 267601^2 + 119189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (85816312927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351706079 + ... + 351706322.

Almost surely, 2^85816312922 is an apocalyptic number.

85816312922 is a deficient number, since it is larger than the sum of its proper divisors (45018393850).

85816312922 is a wasteful number, since it uses less digits than its factorization.

85816312922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703412464.

The product of its digits is 414720, while the sum is 47.

The spelling of 85816312922 in words is "eighty-five billion, eight hundred sixteen million, three hundred twelve thousand, nine hundred twenty-two".