99799379 has 2 divisors, whose sum is σ = 99799380. Its totient is φ = 99799378.

The previous prime is 99799363. The next prime is 99799391. The reversal of 99799379 is 97399799.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99799379 - 2⁴ = 99799363 is a prime.

It is not a weakly prime, because it can be changed into another prime (99799319) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49899689 + 49899690.

It is an arithmetic number, because the mean of its divisors is an integer number (49899690).

Almost surely, 2^99799379 is an apocalyptic number.

99799379 is a deficient number, since it is larger than the sum of its proper divisors (1).

99799379 is an equidigital number, since it uses as much as digits as its factorization.

99799379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8680203, while the sum is 62.

The square root of 99799379 is about 9989.9639138487. The cubic root of 99799379 is about 463.8482754892.

The spelling of 99799379 in words is "ninety-nine million, seven hundred ninety-nine thousand, three hundred seventy-nine".