268803811 has 8 divisors (see below), whose sum is σ = 283204880. Its totient is φ = 254428128.

The previous prime is 268803797. The next prime is 268803817. The reversal of 268803811 is 118308862.

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 268803811 - 2⁷ = 268803683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268803817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17785 + ... + 29221.

It is an arithmetic number, because the mean of its divisors is an integer number (35400610).

Almost surely, 2^268803811 is an apocalyptic number.

268803811 is a deficient number, since it is larger than the sum of its proper divisors (14401069).

268803811 is a wasteful number, since it uses less digits than its factorization.

268803811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12693.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 268803811 is about 16395.2374487227. The cubic root of 268803811 is about 645.3745083838.

The spelling of 268803811 in words is "two hundred sixty-eight million, eight hundred three thousand, eight hundred eleven".