85902920 has 32 divisors (see below), whose sum is σ = 193561920. Its totient is φ = 34311360.

The previous prime is 85902919. The next prime is 85902931. The reversal of 85902920 is 2920958.

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, 40199 + ... + 42281.

It is an arithmetic number, because the mean of its divisors is an integer number (6048810).

Almost surely, 2^85902920 is an apocalyptic number.

It is an amenable number.

85902920 is an abundant number, since it is smaller than the sum of its proper divisors (107659000).

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

85902920 is a wasteful number, since it uses less digits than its factorization.

85902920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125 (or 3121 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 85902920 is about 9268.3828147094. The cubic root of 85902920 is about 441.2343439408.

The spelling of 85902920 in words is "eighty-five million, nine hundred two thousand, nine hundred twenty".