791116673 has 2 divisors, whose sum is σ = 791116674. Its totient is φ = 791116672.

The previous prime is 791116649. The next prime is 791116687. The reversal of 791116673 is 376611197.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 415222129 + 375894544 = 20377^2 + 19388^2 .

It is a cyclic number.

It is not a de Polignac number, because 791116673 - 2¹⁸ = 790854529 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 791116673.

It is not a weakly prime, because it can be changed into another prime (791116273) 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, 395558336 + 395558337.

It is an arithmetic number, because the mean of its divisors is an integer number (395558337).

Almost surely, 2^791116673 is an apocalyptic number.

It is an amenable number.

791116673 is a deficient number, since it is larger than the sum of its proper divisors (1).

791116673 is an equidigital number, since it uses as much as digits as its factorization.

791116673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47628, while the sum is 41.

The square root of 791116673 is about 28126.7963515222. The cubic root of 791116673 is about 924.8689068664.

The spelling of 791116673 in words is "seven hundred ninety-one million, one hundred sixteen thousand, six hundred seventy-three".