85579534912 has 112 divisors (see below), whose sum is σ = 188633404800. Its totient is φ = 38338375680.

The previous prime is 85579534877. The next prime is 85579534933. The reversal of 85579534912 is 21943597558.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2471962 + ... + 2506342.

Almost surely, 2^85579534912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85579534912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94316702400).

85579534912 is an abundant number, since it is smaller than the sum of its proper divisors (103053869888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85579534912 is a wasteful number, since it uses less digits than its factorization.

85579534912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34524 (or 34514 counting only the distinct ones).

The product of its digits is 13608000, while the sum is 58.

The spelling of 85579534912 in words is "eighty-five billion, five hundred seventy-nine million, five hundred thirty-four thousand, nine hundred twelve".