99890299 has 2 divisors, whose sum is σ = 99890300. Its totient is φ = 99890298.

The previous prime is 99890291. The next prime is 99890341. The reversal of 99890299 is 99209899.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99890299 - 2³ = 99890291 is a prime.

It is not a weakly prime, because it can be changed into another prime (99890291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49945149 + 49945150.

It is an arithmetic number, because the mean of its divisors is an integer number (49945150).

Almost surely, 2^99890299 is an apocalyptic number.

99890299 is a deficient number, since it is larger than the sum of its proper divisors (1).

99890299 is an equidigital number, since it uses as much as digits as its factorization.

99890299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 944784, while the sum is 55.

The square root of 99890299 is about 9994.5134448856. The cubic root of 99890299 is about 463.9890922798.

The spelling of 99890299 in words is "ninety-nine million, eight hundred ninety thousand, two hundred ninety-nine".