85899712 has 28 divisors (see below), whose sum is σ = 173259496. Its totient is φ = 42243840.

The previous prime is 85899679. The next prime is 85899763. The reversal of 85899712 is 21799858.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 7098 + ... + 14905.

Almost surely, 2^85899712 is an apocalyptic number.

It is an amenable number.

85899712 is an abundant number, since it is smaller than the sum of its proper divisors (87359784).

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

85899712 is a wasteful number, since it uses less digits than its factorization.

85899712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22076 (or 22066 counting only the distinct ones).

The product of its digits is 362880, while the sum is 49.

The square root of 85899712 is about 9268.2097516187. The cubic root of 85899712 is about 441.2288513165.

The spelling of 85899712 in words is "eighty-five million, eight hundred ninety-nine thousand, seven hundred twelve".