82940457539 has 2 divisors, whose sum is σ = 82940457540. Its totient is φ = 82940457538.

The previous prime is 82940457493. The next prime is 82940457601. The reversal of 82940457539 is 93575404928.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82940457539 - 2⁸ = 82940457283 is a prime.

It is not a weakly prime, because it can be changed into another prime (82940457239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41470228769 + 41470228770.

It is an arithmetic number, because the mean of its divisors is an integer number (41470228770).

Almost surely, 2^82940457539 is an apocalyptic number.

82940457539 is a deficient number, since it is larger than the sum of its proper divisors (1).

82940457539 is an equidigital number, since it uses as much as digits as its factorization.

82940457539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 82940457539 in words is "eighty-two billion, nine hundred forty million, four hundred fifty-seven thousand, five hundred thirty-nine".