82320735365815 has 32 divisors (see below), whose sum is σ = 99466881177600. Its totient is φ = 65403817839360.

The previous prime is 82320735365797. The next prime is 82320735365819. The reversal of 82320735365815 is 51856353702328.

It is not a de Polignac number, because 82320735365815 - 2¹¹ = 82320735363767 is a prime.

It is a super-2 number, since 2×82320735365815² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82320735365815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82320735365819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 558718726 + ... + 558866044.

It is an arithmetic number, because the mean of its divisors is an integer number (3108340036800).

Almost surely, 2^{82320735365815} is an apocalyptic number.

82320735365815 is a deficient number, since it is larger than the sum of its proper divisors (17146145811785).

82320735365815 is a wasteful number, since it uses less digits than its factorization.

82320735365815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148927.

The product of its (nonzero) digits is 36288000, while the sum is 58.

The spelling of 82320735365815 in words is "eighty-two trillion, three hundred twenty billion, seven hundred thirty-five million, three hundred sixty-five thousand, eight hundred fifteen".