82704908611597 has 2 divisors, whose sum is σ = 82704908611598. Its totient is φ = 82704908611596.

The previous prime is 82704908611529. The next prime is 82704908611669. The reversal of 82704908611597 is 79511680940728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82309784480676 + 395124130921 = 9072474^2 + 628589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82704908611597 is a prime.

It is a super-2 number, since 2×82704908611597² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82704908611697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41352454305798 + 41352454305799.

It is an arithmetic number, because the mean of its divisors is an integer number (41352454305799).

Almost surely, 2^{82704908611597} is an apocalyptic number.

It is an amenable number.

82704908611597 is a deficient number, since it is larger than the sum of its proper divisors (1).

82704908611597 is an equidigital number, since it uses as much as digits as its factorization.

82704908611597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60963840, while the sum is 67.

The spelling of 82704908611597 in words is "eighty-two trillion, seven hundred four billion, nine hundred eight million, six hundred eleven thousand, five hundred ninety-seven".