85516806 has 16 divisors (see below), whose sum is σ = 178470144. Its totient is φ = 27266184.

The previous prime is 85516787. The next prime is 85516813. The reversal of 85516806 is 60861558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309706 + ... + 309981.

It is an arithmetic number, because the mean of its divisors is an integer number (11154384).

Almost surely, 2^85516806 is an apocalyptic number.

85516806 is an abundant number, since it is smaller than the sum of its proper divisors (92953338).

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

85516806 is a wasteful number, since it uses less digits than its factorization.

85516806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619715.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 85516806 is about 9247.5297242020. The cubic root of 85516806 is about 440.5722684645.

The spelling of 85516806 in words is "eighty-five million, five hundred sixteen thousand, eight hundred six".