268489875 has 16 divisors (see below), whose sum is σ = 446767776. Its totient is φ = 143194400.

The previous prime is 268489873. The next prime is 268489883. The reversal of 268489875 is 578984862.

It is not a de Polignac number, because 268489875 - 2¹ = 268489873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268489873) 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, 357612 + ... + 358361.

It is an arithmetic number, because the mean of its divisors is an integer number (27922986).

Almost surely, 2^268489875 is an apocalyptic number.

268489875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

268489875 is a deficient number, since it is larger than the sum of its proper divisors (178277901).

268489875 is an equidigital number, since it uses as much as digits as its factorization.

268489875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715991 (or 715981 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 57.

The square root of 268489875 is about 16385.6606519237. The cubic root of 268489875 is about 645.1231661914.

The spelling of 268489875 in words is "two hundred sixty-eight million, four hundred eighty-nine thousand, eight hundred seventy-five".