82319816943 has 64 divisors (see below), whose sum is σ = 150357150720. Its totient is φ = 43346710656.

The previous prime is 82319816939. The next prime is 82319816981. The reversal of 82319816943 is 34961891328.

It is not a de Polignac number, because 82319816943 - 2² = 82319816939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82319816943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82319812943) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1413721 + ... + 1470797.

It is an arithmetic number, because the mean of its divisors is an integer number (2349330480).

Almost surely, 2^82319816943 is an apocalyptic number.

82319816943 is a deficient number, since it is larger than the sum of its proper divisors (68037333777).

82319816943 is a wasteful number, since it uses less digits than its factorization.

82319816943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57693 (or 57687 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The spelling of 82319816943 in words is "eighty-two billion, three hundred nineteen million, eight hundred sixteen thousand, nine hundred forty-three".