979518899 has 2 divisors, whose sum is σ = 979518900. Its totient is φ = 979518898.

The previous prime is 979518893. The next prime is 979518941. The reversal of 979518899 is 998815979.

979518899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 979518899 - 2⁸ = 979518643 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (979518893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489759449 + 489759450.

It is an arithmetic number, because the mean of its divisors is an integer number (489759450).

Almost surely, 2^979518899 is an apocalyptic number.

979518899 is a deficient number, since it is larger than the sum of its proper divisors (1).

979518899 is an equidigital number, since it uses as much as digits as its factorization.

979518899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14696640, while the sum is 65.

The square root of 979518899 is about 31297.2666378392. The cubic root of 979518899 is about 993.1258202646.

The spelling of 979518899 in words is "nine hundred seventy-nine million, five hundred eighteen thousand, eight hundred ninety-nine".