99259399 has 2 divisors, whose sum is σ = 99259400. Its totient is φ = 99259398.

The previous prime is 99259367. The next prime is 99259411. The reversal of 99259399 is 99395299.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99259399 - 2⁵ = 99259367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99259309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49629699 + 49629700.

It is an arithmetic number, because the mean of its divisors is an integer number (49629700).

Almost surely, 2^99259399 is an apocalyptic number.

99259399 is a deficient number, since it is larger than the sum of its proper divisors (1).

99259399 is an equidigital number, since it uses as much as digits as its factorization.

99259399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1771470, while the sum is 55.

The square root of 99259399 is about 9962.9011337060. The cubic root of 99259399 is about 463.0101878161.

The spelling of 99259399 in words is "ninety-nine million, two hundred fifty-nine thousand, three hundred ninety-nine".