82586797 has 2 divisors, whose sum is σ = 82586798. Its totient is φ = 82586796.

The previous prime is 82586783. The next prime is 82586807. The reversal of 82586797 is 79768528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53275401 + 29311396 = 7299^2 + 5414^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82586797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82586717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41293398 + 41293399.

It is an arithmetic number, because the mean of its divisors is an integer number (41293399).

Almost surely, 2^82586797 is an apocalyptic number.

It is an amenable number.

82586797 is a deficient number, since it is larger than the sum of its proper divisors (1).

82586797 is an equidigital number, since it uses as much as digits as its factorization.

82586797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 52.

The square root of 82586797 is about 9087.7278238292. The cubic root of 82586797 is about 435.4819988667.

The spelling of 82586797 in words is "eighty-two million, five hundred eighty-six thousand, seven hundred ninety-seven".