268895863 has 4 divisors (see below), whose sum is σ = 273453480. Its totient is φ = 264338248.

The previous prime is 268895849. The next prime is 268895867. The reversal of 268895863 is 368598862.

It is a happy number.

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 268895863 - 2¹⁷ = 268764791 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 (268895867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2278720 + ... + 2278837.

It is an arithmetic number, because the mean of its divisors is an integer number (68363370).

Almost surely, 2^268895863 is an apocalyptic number.

268895863 is a deficient number, since it is larger than the sum of its proper divisors (4557617).

268895863 is an equidigital number, since it uses as much as digits as its factorization.

268895863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557616.

The product of its digits is 4976640, while the sum is 55.

The square root of 268895863 is about 16398.0444870722. The cubic root of 268895863 is about 645.4481695841.

The spelling of 268895863 in words is "two hundred sixty-eight million, eight hundred ninety-five thousand, eight hundred sixty-three".