797427247 has 2 divisors, whose sum is σ = 797427248. Its totient is φ = 797427246.

The previous prime is 797427209. The next prime is 797427263. The reversal of 797427247 is 742724797.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 797427247 - 2⁷ = 797427119 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 797427247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797427287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398713623 + 398713624.

It is an arithmetic number, because the mean of its divisors is an integer number (398713624).

Almost surely, 2^797427247 is an apocalyptic number.

797427247 is a deficient number, since it is larger than the sum of its proper divisors (1).

797427247 is an equidigital number, since it uses as much as digits as its factorization.

797427247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382976, while the sum is 49.

The square root of 797427247 is about 28238.7543457568. The cubic root of 797427247 is about 927.3215595772.

The spelling of 797427247 in words is "seven hundred ninety-seven million, four hundred twenty-seven thousand, two hundred forty-seven".