85808808 has 40 divisors (see below), whose sum is σ = 240345930. Its totient is φ = 28602720.

The previous prime is 85808759. The next prime is 85808831. The reversal of 85808808 is 80880858.

It can be written as a sum of positive squares in only one way, i.e., 84603204 + 1205604 = 9198^2 + 1098^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 65563 + ... + 66858.

Almost surely, 2^85808808 is an apocalyptic number.

It is an amenable number.

85808808 is an abundant number, since it is smaller than the sum of its proper divisors (154537122).

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

85808808 is a wasteful number, since it uses less digits than its factorization.

85808808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132439 (or 132426 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 45.

The square root of 85808808 is about 9263.3043780284. The cubic root of 85808808 is about 441.0731518246.

The spelling of 85808808 in words is "eighty-five million, eight hundred eight thousand, eight hundred eight".