268585863 has 32 divisors (see below), whose sum is σ = 442176000. Its totient is φ = 141215616.

The previous prime is 268585861. The next prime is 268585903. The reversal of 268585863 is 368585862.

It is not a de Polignac number, because 268585863 - 2¹ = 268585861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268585861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93868 + ... + 96686.

It is an arithmetic number, because the mean of its divisors is an integer number (13818000).

Almost surely, 2^268585863 is an apocalyptic number.

268585863 is a deficient number, since it is larger than the sum of its proper divisors (173590137).

268585863 is a wasteful number, since it uses less digits than its factorization.

268585863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191.

The product of its digits is 2764800, while the sum is 51.

The square root of 268585863 is about 16388.5894145897. The cubic root of 268585863 is about 645.2000365072.

Subtracting 268585863 from its reverse (368585862), we obtain a palindrome (99999999).

The spelling of 268585863 in words is "two hundred sixty-eight million, five hundred eighty-five thousand, eight hundred sixty-three".