268889271 has 8 divisors (see below), whose sum is σ = 409736064. Its totient is φ = 153651000.

The previous prime is 268889261. The next prime is 268889293. The reversal of 268889271 is 172988862.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 268889271 - 2⁵ = 268889239 is a prime.

It is a super-2 number, since 2×268889271² = 144602880117822882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268889261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6402105 + ... + 6402146.

It is an arithmetic number, because the mean of its divisors is an integer number (51217008).

Almost surely, 2^268889271 is an apocalyptic number.

268889271 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

268889271 is a deficient number, since it is larger than the sum of its proper divisors (140846793).

268889271 is a wasteful number, since it uses less digits than its factorization.

268889271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12804261.

The product of its digits is 774144, while the sum is 51.

The square root of 268889271 is about 16397.8434862637. The cubic root of 268889271 is about 645.4428951394.

The spelling of 268889271 in words is "two hundred sixty-eight million, eight hundred eighty-nine thousand, two hundred seventy-one".