985193775728 has 20 divisors (see below), whose sum is σ = 1909247786928. Its totient is φ = 492484669440.

The previous prime is 985193775707. The next prime is 985193775733. The reversal of 985193775728 is 827577391589.

It is a congruent number.

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, 6941201 + ... + 7081712.

Almost surely, 2^985193775728 is an apocalyptic number.

It is an amenable number.

985193775728 is a deficient number, since it is larger than the sum of its proper divisors (924054011200).

985193775728 is a wasteful number, since it uses less digits than its factorization.

985193775728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14027312 (or 14027306 counting only the distinct ones).

The product of its digits is 266716800, while the sum is 71.

The spelling of 985193775728 in words is "nine hundred eighty-five billion, one hundred ninety-three million, seven hundred seventy-five thousand, seven hundred twenty-eight".