99790099 has 2 divisors, whose sum is σ = 99790100. Its totient is φ = 99790098.

The previous prime is 99790079. The next prime is 99790111. The reversal of 99790099 is 99009799.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99790099 - 2¹⁵ = 99757331 is a prime.

It is not a weakly prime, because it can be changed into another prime (99790039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49895049 + 49895050.

It is an arithmetic number, because the mean of its divisors is an integer number (49895050).

Almost surely, 2^99790099 is an apocalyptic number.

99790099 is a deficient number, since it is larger than the sum of its proper divisors (1).

99790099 is an equidigital number, since it uses as much as digits as its factorization.

99790099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 413343, while the sum is 52.

The square root of 99790099 is about 9989.4994369087. The cubic root of 99790099 is about 463.8338978266.

The spelling of 99790099 in words is "ninety-nine million, seven hundred ninety thousand, ninety-nine".