82597366817 has 8 divisors (see below), whose sum is σ = 94398747456. Its totient is φ = 70796425392.

The previous prime is 82597366781. The next prime is 82597366823. The reversal of 82597366817 is 71866379528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82597366817 - 2³² = 78302399521 is a prime.

It is a super-2 number, since 2×82597366817² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82597366817.

It is not an unprimeable number, because it can be changed into a prime (82597368817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593603 + ... + 719415.

It is an arithmetic number, because the mean of its divisors is an integer number (11799843432).

Almost surely, 2^82597366817 is an apocalyptic number.

It is an amenable number.

82597366817 is a deficient number, since it is larger than the sum of its proper divisors (11801380639).

82597366817 is a wasteful number, since it uses less digits than its factorization.

82597366817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219607.

The product of its digits is 30481920, while the sum is 62.

The spelling of 82597366817 in words is "eighty-two billion, five hundred ninety-seven million, three hundred sixty-six thousand, eight hundred seventeen".