268159799 has 2 divisors, whose sum is σ = 268159800. Its totient is φ = 268159798.

The previous prime is 268159699. The next prime is 268159811. The reversal of 268159799 is 997951862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268159799 - 2¹⁶ = 268094263 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 (268159499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134079899 + 134079900.

It is an arithmetic number, because the mean of its divisors is an integer number (134079900).

Almost surely, 2^268159799 is an apocalyptic number.

268159799 is a deficient number, since it is larger than the sum of its proper divisors (1).

268159799 is an equidigital number, since it uses as much as digits as its factorization.

268159799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 56.

The square root of 268159799 is about 16375.5854551830. The cubic root of 268159799 is about 644.8586906749.

The spelling of 268159799 in words is "two hundred sixty-eight million, one hundred fifty-nine thousand, seven hundred ninety-nine".