85393128920 has 64 divisors (see below), whose sum is σ = 209643409440. Its totient is φ = 31045811200.

The previous prime is 85393128913. The next prime is 85393128929. The reversal of 85393128920 is 2982139358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85393128929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2562284 + ... + 2595396.

Almost surely, 2^85393128920 is an apocalyptic number.

It is an amenable number.

85393128920 is an abundant number, since it is smaller than the sum of its proper divisors (124250280520).

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

85393128920 is a wasteful number, since it uses less digits than its factorization.

85393128920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38996 (or 38992 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 85393128920 in words is "eighty-five billion, three hundred ninety-three million, one hundred twenty-eight thousand, nine hundred twenty".