268888955 has 4 divisors (see below), whose sum is σ = 322666752. Its totient is φ = 215111160.

The previous prime is 268888943. The next prime is 268888979. The reversal of 268888955 is 559888862.

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

It is not a de Polignac number, because 268888955 - 2²⁶ = 201780091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268888894 and 268888903.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26888891 + ... + 26888900.

It is an arithmetic number, because the mean of its divisors is an integer number (80666688).

Almost surely, 2^268888955 is an apocalyptic number.

268888955 is a deficient number, since it is larger than the sum of its proper divisors (53777797).

268888955 is an equidigital number, since it uses as much as digits as its factorization.

268888955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53777796.

The product of its digits is 11059200, while the sum is 59.

The square root of 268888955 is about 16397.8338508475. The cubic root of 268888955 is about 645.4426422967.

The spelling of 268888955 in words is "two hundred sixty-eight million, eight hundred eighty-eight thousand, nine hundred fifty-five".