268695889 has 16 divisors (see below), whose sum is σ = 335408256. Its totient is φ = 209116800.

The previous prime is 268695881. The next prime is 268695937. The reversal of 268695889 is 988596862.

It is a cyclic number.

It is not a de Polignac number, because 268695889 - 2³ = 268695881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268695881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82879 + ... + 86059.

It is an arithmetic number, because the mean of its divisors is an integer number (20963016).

Almost surely, 2^268695889 is an apocalyptic number.

It is an amenable number.

268695889 is a deficient number, since it is larger than the sum of its proper divisors (66712367).

268695889 is a wasteful number, since it uses less digits than its factorization.

268695889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4296.

The product of its digits is 14929920, while the sum is 61.

The square root of 268695889 is about 16391.9458576461. The cubic root of 268695889 is about 645.2881263855.

The spelling of 268695889 in words is "two hundred sixty-eight million, six hundred ninety-five thousand, eight hundred eighty-nine".