99099999079 has 2 divisors, whose sum is σ = 99099999080. Its totient is φ = 99099999078.

The previous prime is 99099999073. The next prime is 99099999083. The reversal of 99099999079 is 97099999099.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99099999079 - 2³ = 99099999071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99099999071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49549999539 + 49549999540.

It is an arithmetic number, because the mean of its divisors is an integer number (49549999540).

Almost surely, 2^99099999079 is an apocalyptic number.

99099999079 is a deficient number, since it is larger than the sum of its proper divisors (1).

99099999079 is an equidigital number, since it uses as much as digits as its factorization.

99099999079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 301327047, while the sum is 79.

The spelling of 99099999079 in words is "ninety-nine billion, ninety-nine million, nine hundred ninety-nine thousand, seventy-nine".