85568731900 has 18 divisors (see below), whose sum is σ = 185684148440. Its totient is φ = 34227492720.

The previous prime is 85568731847. The next prime is 85568731903. The reversal of 85568731900 is 913786558.

It is a super-2 number, since 2×85568731900² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85568731903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 427843560 + ... + 427843759.

Almost surely, 2^85568731900 is an apocalyptic number.

It is an amenable number.

85568731900 is an abundant number, since it is smaller than the sum of its proper divisors (100115416540).

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

85568731900 is a wasteful number, since it uses less digits than its factorization.

85568731900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855687333 (or 855687326 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 85568731900 in words is "eighty-five billion, five hundred sixty-eight million, seven hundred thirty-one thousand, nine hundred".