85159944 has 32 divisors (see below), whose sum is σ = 236556000. Its totient is φ = 28386576.

The previous prime is 85159939. The next prime is 85160017. The reversal of 85159944 is 44995158.

85159944 is a `hidden beast` number, since 8 + 51 + 599 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 85159944.

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, 196914 + ... + 197345.

It is an arithmetic number, because the mean of its divisors is an integer number (7392375).

Almost surely, 2^85159944 is an apocalyptic number.

It is an amenable number.

85159944 is an abundant number, since it is smaller than the sum of its proper divisors (151396056).

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

85159944 is a wasteful number, since it uses less digits than its factorization.

85159944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394274 (or 394264 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 85159944 is about 9228.2145618749. The cubic root of 85159944 is about 439.9585773677.

The spelling of 85159944 in words is "eighty-five million, one hundred fifty-nine thousand, nine hundred forty-four".