85185892 has 72 divisors (see below), whose sum is σ = 178198272. Its totient is φ = 35294400.

The previous prime is 85185887. The next prime is 85185899. The reversal of 85185892 is 29858158.

It is not an unprimeable number, because it can be changed into a prime (85185899) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 492318 + ... + 492490.

It is an arithmetic number, because the mean of its divisors is an integer number (2474976).

Almost surely, 2^85185892 is an apocalyptic number.

It is an amenable number.

85185892 is an abundant number, since it is smaller than the sum of its proper divisors (93012380).

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

85185892 is a wasteful number, since it uses less digits than its factorization.

85185892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 236 counting only the distinct ones).

The product of its digits is 230400, while the sum is 46.

The square root of 85185892 is about 9229.6203605565. The cubic root of 85185892 is about 440.0032575516.

The spelling of 85185892 in words is "eighty-five million, one hundred eighty-five thousand, eight hundred ninety-two".