85051930188 has 12 divisors (see below), whose sum is σ = 198454503800. Its totient is φ = 28350643392.

The previous prime is 85051930177. The next prime is 85051930193. The reversal of 85051930188 is 88103915058.

It is a tau number, because it is divible by the number of its divisors (12).

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, 3543830413 + ... + 3543830436.

Almost surely, 2^85051930188 is an apocalyptic number.

It is an amenable number.

85051930188 is an abundant number, since it is smaller than the sum of its proper divisors (113402573612).

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

85051930188 is a wasteful number, since it uses less digits than its factorization.

85051930188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7087660856 (or 7087660854 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 48.

The spelling of 85051930188 in words is "eighty-five billion, fifty-one million, nine hundred thirty thousand, one hundred eighty-eight".