85968444688 has 20 divisors (see below), whose sum is σ = 190358699200. Its totient is φ = 36843619104.

The previous prime is 85968444647. The next prime is 85968444691. The reversal of 85968444688 is 88644486958.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383787588 + ... + 383787811.

It is an arithmetic number, because the mean of its divisors is an integer number (9517934960).

Almost surely, 2^85968444688 is an apocalyptic number.

It is an amenable number.

85968444688 is an abundant number, since it is smaller than the sum of its proper divisors (104390254512).

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

85968444688 is a wasteful number, since it uses less digits than its factorization.

85968444688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767575414 (or 767575408 counting only the distinct ones).

The product of its digits is 424673280, while the sum is 70.

The spelling of 85968444688 in words is "eighty-five billion, nine hundred sixty-eight million, four hundred forty-four thousand, six hundred eighty-eight".