779622923 has 2 divisors, whose sum is σ = 779622924. Its totient is φ = 779622922.

The previous prime is 779622917. The next prime is 779622931. The reversal of 779622923 is 329226977.

It is a weak prime.

It is an emirp because it is prime and its reverse (329226977) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 779622923 - 2¹⁸ = 779360779 is a prime.

It is not a weakly prime, because it can be changed into another prime (779622983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389811461 + 389811462.

It is an arithmetic number, because the mean of its divisors is an integer number (389811462).

Almost surely, 2^779622923 is an apocalyptic number.

779622923 is a deficient number, since it is larger than the sum of its proper divisors (1).

779622923 is an equidigital number, since it uses as much as digits as its factorization.

779622923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 47.

The square root of 779622923 is about 27921.7285102481. The cubic root of 779622923 is about 920.3680486299.

The spelling of 779622923 in words is "seven hundred seventy-nine million, six hundred twenty-two thousand, nine hundred twenty-three".