82420057115339 has 2 divisors, whose sum is σ = 82420057115340. Its totient is φ = 82420057115338.

The previous prime is 82420057115329. The next prime is 82420057115393. The reversal of 82420057115339 is 93351175002428.

Together with next prime (82420057115393) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82420057115339 - 2⁴⁴ = 64827871070923 is a prime.

It is not a weakly prime, because it can be changed into another prime (82420057115329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41210028557669 + 41210028557670.

It is an arithmetic number, because the mean of its divisors is an integer number (41210028557670).

Almost surely, 2^{82420057115339} is an apocalyptic number.

82420057115339 is a deficient number, since it is larger than the sum of its proper divisors (1).

82420057115339 is an equidigital number, since it uses as much as digits as its factorization.

82420057115339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 82420057115339 in words is "eighty-two trillion, four hundred twenty billion, fifty-seven million, one hundred fifteen thousand, three hundred thirty-nine".