268585263 has 12 divisors (see below), whose sum is σ = 388111360. Its totient is φ = 178985376.

The previous prime is 268585259. The next prime is 268585297. The reversal of 268585263 is 362585862.

268585263 is a `hidden beast` number, since 2 + 6 + 8 + 585 + 2 + 63 = 666.

It is not a de Polignac number, because 268585263 - 2² = 268585259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268185263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28083 + ... + 36411.

Almost surely, 2^268585263 is an apocalyptic number.

268585263 is a deficient number, since it is larger than the sum of its proper divisors (119526097).

268585263 is a wasteful number, since it uses less digits than its factorization.

268585263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11918 (or 11915 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 268585263 is about 16388.5711091602. The cubic root of 268585263 is about 645.1995560646.

The spelling of 268585263 in words is "two hundred sixty-eight million, five hundred eighty-five thousand, two hundred sixty-three".