85185339612 has 48 divisors (see below), whose sum is σ = 204319856160. Its totient is φ = 27603044352.

The previous prime is 85185339607. The next prime is 85185339643. The reversal of 85185339612 is 21693358158.

It is a happy number.

It is a congruent number.

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, 416308 + ... + 586244.

It is an arithmetic number, because the mean of its divisors is an integer number (4256663670).

Almost surely, 2^85185339612 is an apocalyptic number.

It is an amenable number.

85185339612 is an abundant number, since it is smaller than the sum of its proper divisors (119134516548).

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

85185339612 is a wasteful number, since it uses less digits than its factorization.

85185339612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171110 (or 171108 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 51.

The spelling of 85185339612 in words is "eighty-five billion, one hundred eighty-five million, three hundred thirty-nine thousand, six hundred twelve".