83765847928 has 32 divisors (see below), whose sum is σ = 179583528960. Its totient is φ = 35882592480.

The previous prime is 83765847899. The next prime is 83765847953. The reversal of 83765847928 is 82974856738.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236076 + ... + 472507.

It is an arithmetic number, because the mean of its divisors is an integer number (5611985280).

Almost surely, 2^83765847928 is an apocalyptic number.

It is an amenable number.

83765847928 is an abundant number, since it is smaller than the sum of its proper divisors (95817681032).

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

83765847928 is a wasteful number, since it uses less digits than its factorization.

83765847928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710707 (or 710703 counting only the distinct ones).

The product of its digits is 162570240, while the sum is 67.

The spelling of 83765847928 in words is "eighty-three billion, seven hundred sixty-five million, eight hundred forty-seven thousand, nine hundred twenty-eight".