82047257759 has 2 divisors, whose sum is σ = 82047257760. Its totient is φ = 82047257758.

The previous prime is 82047257753. The next prime is 82047257783. The reversal of 82047257759 is 95775274028.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82047257759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82047257753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41023628879 + 41023628880.

It is an arithmetic number, because the mean of its divisors is an integer number (41023628880).

Almost surely, 2^82047257759 is an apocalyptic number.

82047257759 is a deficient number, since it is larger than the sum of its proper divisors (1).

82047257759 is an equidigital number, since it uses as much as digits as its factorization.

82047257759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9878400, while the sum is 56.

The spelling of 82047257759 in words is "eighty-two billion, forty-seven million, two hundred fifty-seven thousand, seven hundred fifty-nine".