82319297515 has 48 divisors (see below), whose sum is σ = 123210989568. Its totient is φ = 51694651008.

The previous prime is 82319297513. The next prime is 82319297519. The reversal of 82319297515 is 51579291328.

It is not a de Polignac number, because 82319297515 - 2¹ = 82319297513 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82319297513) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 696414 + ... + 805996.

It is an arithmetic number, because the mean of its divisors is an integer number (2566895616).

Almost surely, 2^82319297515 is an apocalyptic number.

82319297515 is a deficient number, since it is larger than the sum of its proper divisors (40891692053).

82319297515 is a wasteful number, since it uses less digits than its factorization.

82319297515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109748 (or 109735 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 52.

The spelling of 82319297515 in words is "eighty-two billion, three hundred nineteen million, two hundred ninety-seven thousand, five hundred fifteen".