83117472783028 has 36 divisors (see below), whose sum is σ = 157802649600960. Its totient is φ = 38281889817472.

The previous prime is 83117472782959. The next prime is 83117472783047. The reversal of 83117472783028 is 82038727471138.

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 11 ways as a sum of consecutive naturals, for example, 764849158 + ... + 764957821.

It is an arithmetic number, because the mean of its divisors is an integer number (4383406933360).

Almost surely, 2^{83117472783028} is an apocalyptic number.

It is an amenable number.

83117472783028 is a deficient number, since it is larger than the sum of its proper divisors (74685176817932).

83117472783028 is a wasteful number, since it uses less digits than its factorization.

83117472783028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529807064 (or 1529807045 counting only the distinct ones).

The product of its (nonzero) digits is 25288704, while the sum is 61.

The spelling of 83117472783028 in words is "eighty-three trillion, one hundred seventeen billion, four hundred seventy-two million, seven hundred eighty-three thousand, twenty-eight".