85592728688 has 20 divisors (see below), whose sum is σ = 167303489808. Its totient is φ = 42417634560.

The previous prime is 85592728651. The next prime is 85592728729. The reversal of 85592728688 is 88682729558.

It is a super-2 number, since 2×85592728688² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23668748 + ... + 23672363.

Almost surely, 2^85592728688 is an apocalyptic number.

It is an amenable number.

85592728688 is a deficient number, since it is larger than the sum of its proper divisors (81710761120).

85592728688 is a wasteful number, since it uses less digits than its factorization.

85592728688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47341232 (or 47341226 counting only the distinct ones).

The product of its digits is 154828800, while the sum is 68.

The spelling of 85592728688 in words is "eighty-five billion, five hundred ninety-two million, seven hundred twenty-eight thousand, six hundred eighty-eight".