268455867 has 4 divisors (see below), whose sum is σ = 357941160. Its totient is φ = 178970576.

The previous prime is 268455851. The next prime is 268455881. The reversal of 268455867 is 768554862.

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 268455867 - 2⁴ = 268455851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268451867) 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, 44742642 + ... + 44742647.

It is an arithmetic number, because the mean of its divisors is an integer number (89485290).

Almost surely, 2^268455867 is an apocalyptic number.

268455867 is a deficient number, since it is larger than the sum of its proper divisors (89485293).

268455867 is an equidigital number, since it uses as much as digits as its factorization.

268455867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89485292.

The product of its digits is 3225600, while the sum is 51.

The square root of 268455867 is about 16384.6228824468. The cubic root of 268455867 is about 645.0959270823.

The spelling of 268455867 in words is "two hundred sixty-eight million, four hundred fifty-five thousand, eight hundred sixty-seven".