268796511 has 12 divisors (see below), whose sum is σ = 388658088. Its totient is φ = 179014704.

The previous prime is 268796497. The next prime is 268796543. The reversal of 268796511 is 115697862.

268796511 is a `hidden beast` number, since 2 + 68 + 79 + 6 + 511 = 666.

It is not a de Polignac number, because 268796511 - 2⁷ = 268796383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268796551) 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 11 ways as a sum of consecutive naturals, for example, 5625 + ... + 23858.

It is an arithmetic number, because the mean of its divisors is an integer number (32388174).

Almost surely, 2^268796511 is an apocalyptic number.

268796511 is a deficient number, since it is larger than the sum of its proper divisors (119861577).

268796511 is a wasteful number, since it uses less digits than its factorization.

268796511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30502 (or 30499 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 268796511 is about 16395.0148215852. The cubic root of 268796511 is about 645.3686661098.

The spelling of 268796511 in words is "two hundred sixty-eight million, seven hundred ninety-six thousand, five hundred eleven".