979408799 has 2 divisors, whose sum is σ = 979408800. Its totient is φ = 979408798.

The previous prime is 979408763. The next prime is 979408819. The reversal of 979408799 is 997804979.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 979408799 - 2²⁸ = 710973343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979408399) 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, 489704399 + 489704400.

It is an arithmetic number, because the mean of its divisors is an integer number (489704400).

Almost surely, 2^979408799 is an apocalyptic number.

979408799 is a deficient number, since it is larger than the sum of its proper divisors (1).

979408799 is an equidigital number, since it uses as much as digits as its factorization.

979408799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10287648, while the sum is 62.

The square root of 979408799 is about 31295.5076488623. The cubic root of 979408799 is about 993.0886090548.

The spelling of 979408799 in words is "nine hundred seventy-nine million, four hundred eight thousand, seven hundred ninety-nine".