85168812 has 12 divisors (see below), whose sum is σ = 198727256. Its totient is φ = 28389600.

The previous prime is 85168799. The next prime is 85168843. The reversal of 85168812 is 21886158.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3548689 + ... + 3548712.

Almost surely, 2^85168812 is an apocalyptic number.

It is an amenable number.

85168812 is an abundant number, since it is smaller than the sum of its proper divisors (113558444).

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

85168812 is a wasteful number, since it uses less digits than its factorization.

85168812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7097408 (or 7097406 counting only the distinct ones).

The product of its digits is 30720, while the sum is 39.

The square root of 85168812 is about 9228.6950323434. The cubic root of 85168812 is about 439.9738483079.

The spelling of 85168812 in words is "eighty-five million, one hundred sixty-eight thousand, eight hundred twelve".