82315439156 has 12 divisors (see below), whose sum is σ = 145088364960. Its totient is φ = 40861620600.

The previous prime is 82315439149. The next prime is 82315439221. The reversal of 82315439156 is 65193451328.

It is a self number, because there is not a number n which added to its sum of digits gives 82315439156.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74024120 + ... + 74025231.

It is an arithmetic number, because the mean of its divisors is an integer number (12090697080).

Almost surely, 2^82315439156 is an apocalyptic number.

It is an amenable number.

82315439156 is a deficient number, since it is larger than the sum of its proper divisors (62772925804).

82315439156 is a wasteful number, since it uses less digits than its factorization.

82315439156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148049494 (or 148049492 counting only the distinct ones).

The product of its digits is 777600, while the sum is 47.

The spelling of 82315439156 in words is "eighty-two billion, three hundred fifteen million, four hundred thirty-nine thousand, one hundred fifty-six".