791743679 has 2 divisors, whose sum is σ = 791743680. Its totient is φ = 791743678.

The previous prime is 791743643. The next prime is 791743681. The reversal of 791743679 is 976347197.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 791743679 - 2⁸ = 791743423 is a prime.

It is a Sophie Germain prime.

Together with 791743681, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 791743679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (791740679) 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, 395871839 + 395871840.

It is an arithmetic number, because the mean of its divisors is an integer number (395871840).

Almost surely, 2^791743679 is an apocalyptic number.

791743679 is a deficient number, since it is larger than the sum of its proper divisors (1).

791743679 is an equidigital number, since it uses as much as digits as its factorization.

791743679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2000376, while the sum is 53.

The square root of 791743679 is about 28137.9402053526. The cubic root of 791743679 is about 925.1131798205.

The spelling of 791743679 in words is "seven hundred ninety-one million, seven hundred forty-three thousand, six hundred seventy-nine".