268856363 has 4 divisors (see below), whose sum is σ = 270207600. Its totient is φ = 267505128.

The previous prime is 268856351. The next prime is 268856369. The reversal of 268856363 is 363658862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268856363 - 2¹⁸ = 268594219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268856369) 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, 675320 + ... + 675717.

It is an arithmetic number, because the mean of its divisors is an integer number (67551900).

Almost surely, 2^268856363 is an apocalyptic number.

268856363 is a deficient number, since it is larger than the sum of its proper divisors (1351237).

268856363 is a wasteful number, since it uses less digits than its factorization.

268856363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351236.

The product of its digits is 1244160, while the sum is 47.

The square root of 268856363 is about 16396.8400309328. The cubic root of 268856363 is about 645.4165632330.

The spelling of 268856363 in words is "two hundred sixty-eight million, eight hundred fifty-six thousand, three hundred sixty-three".