82323312547891 has 2 divisors, whose sum is σ = 82323312547892. Its totient is φ = 82323312547890.

The previous prime is 82323312547831. The next prime is 82323312548093. The reversal of 82323312547891 is 19874521332328.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82323312547891 - 2¹⁵ = 82323312515123 is a prime.

It is not a weakly prime, because it can be changed into another prime (82323312547831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41161656273945 + 41161656273946.

It is an arithmetic number, because the mean of its divisors is an integer number (41161656273946).

Almost surely, 2^{82323312547891} is an apocalyptic number.

82323312547891 is a deficient number, since it is larger than the sum of its proper divisors (1).

82323312547891 is an equidigital number, since it uses as much as digits as its factorization.

82323312547891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17418240, while the sum is 58.

The spelling of 82323312547891 in words is "eighty-two trillion, three hundred twenty-three billion, three hundred twelve million, five hundred forty-seven thousand, eight hundred ninety-one".