199992959 has 2 divisors, whose sum is σ = 199992960. Its totient is φ = 199992958.

The previous prime is 199992911. The next prime is 199992971. The reversal of 199992959 is 959299991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199992959 - 2⁸ = 199992703 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199992979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99996479 + 99996480.

It is an arithmetic number, because the mean of its divisors is an integer number (99996480).

Almost surely, 2^199992959 is an apocalyptic number.

199992959 is a deficient number, since it is larger than the sum of its proper divisors (1).

199992959 is an equidigital number, since it uses as much as digits as its factorization.

199992959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5314410, while the sum is 62.

The square root of 199992959 is about 14141.8866845976. The cubic root of 199992959 is about 584.7966848924.

The spelling of 199992959 in words is "one hundred ninety-nine million, nine hundred ninety-two thousand, nine hundred fifty-nine".