791477567929 has 2 divisors, whose sum is σ = 791477567930. Its totient is φ = 791477567928.

The previous prime is 791477567851. The next prime is 791477567953. The reversal of 791477567929 is 929765774197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 650526128704 + 140951439225 = 806552^2 + 375435^2 .

It is a cyclic number.

It is not a de Polignac number, because 791477567929 - 2⁹ = 791477567417 is a prime.

It is not a weakly prime, because it can be changed into another prime (791477564929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395738783964 + 395738783965.

It is an arithmetic number, because the mean of its divisors is an integer number (395738783965).

Almost surely, 2^791477567929 is an apocalyptic number.

It is an amenable number.

791477567929 is a deficient number, since it is larger than the sum of its proper divisors (1).

791477567929 is an equidigital number, since it uses as much as digits as its factorization.

791477567929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420078960, while the sum is 73.

The spelling of 791477567929 in words is "seven hundred ninety-one billion, four hundred seventy-seven million, five hundred sixty-seven thousand, nine hundred twenty-nine".