797316647 has 2 divisors, whose sum is σ = 797316648. Its totient is φ = 797316646.

The previous prime is 797316593. The next prime is 797316661. The reversal of 797316647 is 746613797.

It is a happy number.

797316647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 797316647 - 2¹⁴ = 797300263 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 797316595 and 797316604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797316547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398658323 + 398658324.

It is an arithmetic number, because the mean of its divisors is an integer number (398658324).

Almost surely, 2^797316647 is an apocalyptic number.

797316647 is a deficient number, since it is larger than the sum of its proper divisors (1).

797316647 is an equidigital number, since it uses as much as digits as its factorization.

797316647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1333584, while the sum is 50.

The square root of 797316647 is about 28236.7959761727. The cubic root of 797316647 is about 927.2786856528.

The spelling of 797316647 in words is "seven hundred ninety-seven million, three hundred sixteen thousand, six hundred forty-seven".