83259731928 has 64 divisors (see below), whose sum is σ = 208611244800. Its totient is φ = 27691735680.

The previous prime is 83259731887. The next prime is 83259731953. The reversal of 83259731928 is 82913795238.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33262725 + ... + 33265227.

It is an arithmetic number, because the mean of its divisors is an integer number (3259550700).

Almost surely, 2^83259731928 is an apocalyptic number.

It is an amenable number.

83259731928 is an abundant number, since it is smaller than the sum of its proper divisors (125351512872).

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

83259731928 is a wasteful number, since it uses less digits than its factorization.

83259731928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5032 (or 5028 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 57.

The spelling of 83259731928 in words is "eighty-three billion, two hundred fifty-nine million, seven hundred thirty-one thousand, nine hundred twenty-eight".