85940975020 has 48 divisors (see below), whose sum is σ = 180978779520. Its totient is φ = 34280750336.

The previous prime is 85940975011. The next prime is 85940975069. The reversal of 85940975020 is 2057904958.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16112274 + ... + 16117606.

It is an arithmetic number, because the mean of its divisors is an integer number (3770391240).

Almost surely, 2^85940975020 is an apocalyptic number.

It is an amenable number.

85940975020 is an abundant number, since it is smaller than the sum of its proper divisors (95037804500).

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

85940975020 is a wasteful number, since it uses less digits than its factorization.

85940975020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7434 (or 7432 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 85940975020 in words is "eighty-five billion, nine hundred forty million, nine hundred seventy-five thousand, twenty".