797839165597 has 2 divisors, whose sum is σ = 797839165598. Its totient is φ = 797839165596.

The previous prime is 797839165583. The next prime is 797839165601. The reversal of 797839165597 is 795561938797.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 789700599801 + 8138565796 = 888651^2 + 90214^2 .

It is a cyclic number.

It is not a de Polignac number, because 797839165597 - 2¹⁹ = 797838641309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797839165537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398919582798 + 398919582799.

It is an arithmetic number, because the mean of its divisors is an integer number (398919582799).

Almost surely, 2^797839165597 is an apocalyptic number.

It is an amenable number.

797839165597 is a deficient number, since it is larger than the sum of its proper divisors (1).

797839165597 is an equidigital number, since it uses as much as digits as its factorization.

797839165597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900169200, while the sum is 76.

The spelling of 797839165597 in words is "seven hundred ninety-seven billion, eight hundred thirty-nine million, one hundred sixty-five thousand, five hundred ninety-seven".