796775257 has 2 divisors, whose sum is σ = 796775258. Its totient is φ = 796775256.

The previous prime is 796775197. The next prime is 796775321. The reversal of 796775257 is 752577697.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 666724041 + 130051216 = 25821^2 + 11404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-796775257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 796775198 and 796775207.

It is not a weakly prime, because it can be changed into another prime (796772257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398387628 + 398387629.

It is an arithmetic number, because the mean of its divisors is an integer number (398387629).

Almost surely, 2^796775257 is an apocalyptic number.

It is an amenable number.

796775257 is a deficient number, since it is larger than the sum of its proper divisors (1).

796775257 is an equidigital number, since it uses as much as digits as its factorization.

796775257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6482700, while the sum is 55.

The square root of 796775257 is about 28227.2077435938. The cubic root of 796775257 is about 927.0687594047.

The spelling of 796775257 in words is "seven hundred ninety-six million, seven hundred seventy-five thousand, two hundred fifty-seven".