99279599 has 2 divisors, whose sum is σ = 99279600. Its totient is φ = 99279598.

The previous prime is 99279581. The next prime is 99279601. The reversal of 99279599 is 99597299.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99279599 - 2²⁴ = 82502383 is a prime.

Together with 99279601, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99279559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49639799 + 49639800.

It is an arithmetic number, because the mean of its divisors is an integer number (49639800).

Almost surely, 2^99279599 is an apocalyptic number.

99279599 is a deficient number, since it is larger than the sum of its proper divisors (1).

99279599 is an equidigital number, since it uses as much as digits as its factorization.

99279599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4133430, while the sum is 59.

The square root of 99279599 is about 9963.9148430725. The cubic root of 99279599 is about 463.0415943176.

The spelling of 99279599 in words is "ninety-nine million, two hundred seventy-nine thousand, five hundred ninety-nine".