268799999 has 8 divisors (see below), whose sum is σ = 290949120. Its totient is φ = 246861216.

The previous prime is 268799989. The next prime is 268800031. The reversal of 268799999 is 999997862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 268799999 - 2¹² = 268795903 is a prime.

It is a Duffinian number.

268799999 is a modest number, since divided by 99999 gives 2687 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268799959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49919 + ... + 55040.

It is an arithmetic number, because the mean of its divisors is an integer number (36368640).

Almost surely, 2^268799999 is an apocalyptic number.

268799999 is a deficient number, since it is larger than the sum of its proper divisors (22149121).

268799999 is a wasteful number, since it uses less digits than its factorization.

268799999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105169.

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

The square root of 268799999 is about 16395.1211950385. The cubic root of 268799999 is about 645.3714576095.

The spelling of 268799999 in words is "two hundred sixty-eight million, seven hundred ninety-nine thousand, nine hundred ninety-nine".