791197257 has 16 divisors (see below), whose sum is σ = 1073983680. Its totient is φ = 517957632.

The previous prime is 791197229. The next prime is 791197271. The reversal of 791197257 is 752791197.

791197257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 791197257 - 2²⁴ = 774420041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (791197657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213573 + ... + 217245.

It is an arithmetic number, because the mean of its divisors is an integer number (67123980).

Almost surely, 2^791197257 is an apocalyptic number.

It is an amenable number.

791197257 is a deficient number, since it is larger than the sum of its proper divisors (282786423).

791197257 is a wasteful number, since it uses less digits than its factorization.

791197257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4952.

The product of its digits is 277830, while the sum is 48.

The square root of 791197257 is about 28128.2288279941. The cubic root of 791197257 is about 924.9003085160.

The spelling of 791197257 in words is "seven hundred ninety-one million, one hundred ninety-seven thousand, two hundred fifty-seven".