82320735365797 has 2 divisors, whose sum is σ = 82320735365798. Its totient is φ = 82320735365796.

The previous prime is 82320735365789. The next prime is 82320735365819. The reversal of 82320735365797 is 79756353702328.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62978604040836 + 19342131324961 = 7935906^2 + 4397969^2 .

It is a cyclic number.

It is not a de Polignac number, because 82320735365797 - 2³ = 82320735365789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82320735365767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41160367682898 + 41160367682899.

It is an arithmetic number, because the mean of its divisors is an integer number (41160367682899).

Almost surely, 2^{82320735365797} is an apocalyptic number.

It is an amenable number.

82320735365797 is a deficient number, since it is larger than the sum of its proper divisors (1).

82320735365797 is an equidigital number, since it uses as much as digits as its factorization.

82320735365797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400075200, while the sum is 67.

The spelling of 82320735365797 in words is "eighty-two trillion, three hundred twenty billion, seven hundred thirty-five million, three hundred sixty-five thousand, seven hundred ninety-seven".