299117999 has 2 divisors, whose sum is σ = 299118000. Its totient is φ = 299117998.

The previous prime is 299117989. The next prime is 299118041. The reversal of 299117999 is 999711992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 299117999 - 2²⁸ = 30682543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (299117989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149558999 + 149559000.

It is an arithmetic number, because the mean of its divisors is an integer number (149559000).

Almost surely, 2^299117999 is an apocalyptic number.

299117999 is a deficient number, since it is larger than the sum of its proper divisors (1).

299117999 is an equidigital number, since it uses as much as digits as its factorization.

299117999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 826686, while the sum is 56.

The square root of 299117999 is about 17295.0281584044. The cubic root of 299117999 is about 668.7762610702.

The spelling of 299117999 in words is "two hundred ninety-nine million, one hundred seventeen thousand, nine hundred ninety-nine".