82357664237 has 2 divisors, whose sum is σ = 82357664238. Its totient is φ = 82357664236.

The previous prime is 82357664201. The next prime is 82357664239. The reversal of 82357664237 is 73246675328.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79843544356 + 2514119881 = 282566^2 + 50141^2 .

It is a cyclic number.

It is not a de Polignac number, because 82357664237 - 2¹² = 82357660141 is a prime.

Together with 82357664239, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82357664239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41178832118 + 41178832119.

It is an arithmetic number, because the mean of its divisors is an integer number (41178832119).

Almost surely, 2^82357664237 is an apocalyptic number.

It is an amenable number.

82357664237 is a deficient number, since it is larger than the sum of its proper divisors (1).

82357664237 is an equidigital number, since it uses as much as digits as its factorization.

82357664237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10160640, while the sum is 53.

The spelling of 82357664237 in words is "eighty-two billion, three hundred fifty-seven million, six hundred sixty-four thousand, two hundred thirty-seven".