791907667 has 2 divisors, whose sum is σ = 791907668. Its totient is φ = 791907666.

The previous prime is 791907647. The next prime is 791907691. The reversal of 791907667 is 766709197.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 791907667 - 2¹¹ = 791905619 is a prime.

It is not a weakly prime, because it can be changed into another prime (791907637) 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, 395953833 + 395953834.

It is an arithmetic number, because the mean of its divisors is an integer number (395953834).

Almost surely, 2^791907667 is an apocalyptic number.

791907667 is a deficient number, since it is larger than the sum of its proper divisors (1).

791907667 is an equidigital number, since it uses as much as digits as its factorization.

791907667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000188, while the sum is 52.

The square root of 791907667 is about 28140.8540559806. The cubic root of 791907667 is about 925.1770460234.

The spelling of 791907667 in words is "seven hundred ninety-one million, nine hundred seven thousand, six hundred sixty-seven".