769479899 has 2 divisors, whose sum is σ = 769479900. Its totient is φ = 769479898.

The previous prime is 769479847. The next prime is 769479901. The reversal of 769479899 is 998974967.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 769479899 - 2⁸ = 769479643 is a prime.

Together with 769479901, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (769479199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384739949 + 384739950.

It is an arithmetic number, because the mean of its divisors is an integer number (384739950).

Almost surely, 2^769479899 is an apocalyptic number.

769479899 is a deficient number, since it is larger than the sum of its proper divisors (1).

769479899 is an equidigital number, since it uses as much as digits as its factorization.

769479899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61725888, while the sum is 68.

The square root of 769479899 is about 27739.5006984625. The cubic root of 769479899 is about 916.3592324112.

The spelling of 769479899 in words is "seven hundred sixty-nine million, four hundred seventy-nine thousand, eight hundred ninety-nine".