268791107 has 4 divisors (see below), whose sum is σ = 289467360. Its totient is φ = 248114856.

The previous prime is 268791077. The next prime is 268791109. The reversal of 268791107 is 701197862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 701197862 = 2 ⋅350598931.

It is a cyclic number.

It is not a de Polignac number, because 268791107 - 2¹² = 268787011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268791109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10338107 + ... + 10338132.

It is an arithmetic number, because the mean of its divisors is an integer number (72366840).

Almost surely, 2^268791107 is an apocalyptic number.

268791107 is a deficient number, since it is larger than the sum of its proper divisors (20676253).

268791107 is a wasteful number, since it uses less digits than its factorization.

268791107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20676252.

The product of its (nonzero) digits is 42336, while the sum is 41.

The square root of 268791107 is about 16394.8500145625. The cubic root of 268791107 is about 645.3643411582.

The spelling of 268791107 in words is "two hundred sixty-eight million, seven hundred ninety-one thousand, one hundred seven".