82357664239 has 2 divisors, whose sum is σ = 82357664240. Its totient is φ = 82357664238.

The previous prime is 82357664237. The next prime is 82357664261. The reversal of 82357664239 is 93246675328.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82357664239 - 2¹ = 82357664237 is a prime.

Together with 82357664237, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 82357664239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82357664237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41178832119 + 41178832120.

It is an arithmetic number, because the mean of its divisors is an integer number (41178832120).

Almost surely, 2^82357664239 is an apocalyptic number.

82357664239 is a deficient number, since it is larger than the sum of its proper divisors (1).

82357664239 is an equidigital number, since it uses as much as digits as its factorization.

82357664239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 55.

The spelling of 82357664239 in words is "eighty-two billion, three hundred fifty-seven million, six hundred sixty-four thousand, two hundred thirty-nine".