268878 has 16 divisors (see below), whose sum is σ = 551376. Its totient is φ = 87360.

The previous prime is 268861. The next prime is 268883. The reversal of 268878 is 878862.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 268878.

It is an unprimeable number.

268878 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301 + ... + 792.

It is an arithmetic number, because the mean of its divisors is an integer number (34461).

2²⁶⁸⁸⁷⁸ is an apocalyptic number.

268878 is an abundant number, since it is smaller than the sum of its proper divisors (282498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268878 is a wasteful number, since it uses less digits than its factorization.

268878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139.

The product of its digits is 43008, while the sum is 39.

The square root of 268878 is about 518.5344732995. The cubic root of 268878 is about 64.5433876695.

The spelling of 268878 in words is "two hundred sixty-eight thousand, eight hundred seventy-eight".