797918263 has 2 divisors, whose sum is σ = 797918264. Its totient is φ = 797918262.

The previous prime is 797918203. The next prime is 797918299. The reversal of 797918263 is 362819797.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 797918263 - 2⁹ = 797917751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 797918263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797918203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398959131 + 398959132.

It is an arithmetic number, because the mean of its divisors is an integer number (398959132).

Almost surely, 2^797918263 is an apocalyptic number.

797918263 is a deficient number, since it is larger than the sum of its proper divisors (1).

797918263 is an equidigital number, since it uses as much as digits as its factorization.

797918263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 52.

The square root of 797918263 is about 28247.4470173855. The cubic root of 797918263 is about 927.5118533418.

The spelling of 797918263 in words is "seven hundred ninety-seven million, nine hundred eighteen thousand, two hundred sixty-three".