797579863 has 2 divisors, whose sum is σ = 797579864. Its totient is φ = 797579862.

The previous prime is 797579851. The next prime is 797579897. The reversal of 797579863 is 368975797.

It is a weak prime.

It is an emirp because it is prime and its reverse (368975797) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 797579863 - 2²¹ = 795482711 is a prime.

It is a super-2 number, since 2×797579863² = 1272267275726197538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797570863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398789931 + 398789932.

It is an arithmetic number, because the mean of its divisors is an integer number (398789932).

Almost surely, 2^797579863 is an apocalyptic number.

797579863 is a deficient number, since it is larger than the sum of its proper divisors (1).

797579863 is an equidigital number, since it uses as much as digits as its factorization.

797579863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20003760, while the sum is 61.

The square root of 797579863 is about 28241.4564603173. The cubic root of 797579863 is about 927.3807144322.

The spelling of 797579863 in words is "seven hundred ninety-seven million, five hundred seventy-nine thousand, eight hundred sixty-three".