268978075 has 12 divisors (see below), whose sum is σ = 334119240. Its totient is φ = 214804160.

The previous prime is 268978067. The next prime is 268978121. The reversal of 268978075 is 570879862.

It is not a de Polignac number, because 268978075 - 2³ = 268978067 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5511 + ... + 23839.

It is an arithmetic number, because the mean of its divisors is an integer number (27843270).

Almost surely, 2^268978075 is an apocalyptic number.

268978075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

268978075 is a deficient number, since it is larger than the sum of its proper divisors (65141165).

268978075 is a wasteful number, since it uses less digits than its factorization.

268978075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18926 (or 18921 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 52.

The square root of 268978075 is about 16400.5510578151. The cubic root of 268978075 is about 645.5139424789.

The spelling of 268978075 in words is "two hundred sixty-eight million, nine hundred seventy-eight thousand, seventy-five".