299998679 has 2 divisors, whose sum is σ = 299998680. Its totient is φ = 299998678.

The previous prime is 299998661. The next prime is 299998693. The reversal of 299998679 is 976899992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 299998679 - 2⁸ = 299998423 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (299998639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149999339 + 149999340.

It is an arithmetic number, because the mean of its divisors is an integer number (149999340).

Almost surely, 2^299998679 is an apocalyptic number.

299998679 is a deficient number, since it is larger than the sum of its proper divisors (1).

299998679 is an equidigital number, since it uses as much as digits as its factorization.

299998679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39680928, while the sum is 68.

The square root of 299998679 is about 17320.4699416615. The cubic root of 299998679 is about 669.4319675019.

The spelling of 299998679 in words is "two hundred ninety-nine million, nine hundred ninety-eight thousand, six hundred seventy-nine".