82813716816 has 40 divisors (see below), whose sum is σ = 214696806144. Its totient is φ = 27506330880.

The previous prime is 82813716743. The next prime is 82813716847. The reversal of 82813716816 is 61861731828.

It is a happy number.

It is a super-2 number, since 2×82813716816² (a number of 23 digits) contains 22 as substring.

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, 3056416 + ... + 3083391.

Almost surely, 2^82813716816 is an apocalyptic number.

It is an amenable number.

82813716816 is an abundant number, since it is smaller than the sum of its proper divisors (131883089328).

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

82813716816 is a wasteful number, since it uses less digits than its factorization.

82813716816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6140099 (or 6140093 counting only the distinct ones).

The product of its digits is 774144, while the sum is 51.

The spelling of 82813716816 in words is "eighty-two billion, eight hundred thirteen million, seven hundred sixteen thousand, eight hundred sixteen".