797763613 has 2 divisors, whose sum is σ = 797763614. Its totient is φ = 797763612.

The previous prime is 797763553. The next prime is 797763647. The reversal of 797763613 is 316367797.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 795973369 + 1790244 = 28213^2 + 1338^2 .

It is a cyclic number.

It is not a de Polignac number, because 797763613 - 2¹³ = 797755421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797763413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398881806 + 398881807.

It is an arithmetic number, because the mean of its divisors is an integer number (398881807).

Almost surely, 2^797763613 is an apocalyptic number.

It is an amenable number.

797763613 is a deficient number, since it is larger than the sum of its proper divisors (1).

797763613 is an equidigital number, since it uses as much as digits as its factorization.

797763613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1000188, while the sum is 49.

The square root of 797763613 is about 28244.7094692086. The cubic root of 797763613 is about 927.4519269964.

The spelling of 797763613 in words is "seven hundred ninety-seven million, seven hundred sixty-three thousand, six hundred thirteen".