791552761 has 2 divisors, whose sum is σ = 791552762. Its totient is φ = 791552760.

The previous prime is 791552753. The next prime is 791552819. The reversal of 791552761 is 167255197.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 490356736 + 301196025 = 22144^2 + 17355^2 .

It is a cyclic number.

It is not a de Polignac number, because 791552761 - 2³ = 791552753 is a prime.

It is not a weakly prime, because it can be changed into another prime (791552731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395776380 + 395776381.

It is an arithmetic number, because the mean of its divisors is an integer number (395776381).

Almost surely, 2^791552761 is an apocalyptic number.

It is an amenable number.

791552761 is a deficient number, since it is larger than the sum of its proper divisors (1).

791552761 is an equidigital number, since it uses as much as digits as its factorization.

791552761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 132300, while the sum is 43.

The square root of 791552761 is about 28134.5474639277. The cubic root of 791552761 is about 925.0388144414.

The spelling of 791552761 in words is "seven hundred ninety-one million, five hundred fifty-two thousand, seven hundred sixty-one".