268435878 has 8 divisors (see below), whose sum is σ = 536871768. Its totient is φ = 89478624.

The previous prime is 268435873. The next prime is 268435879. The reversal of 268435878 is 878534862.

It is a happy number.

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

268435878 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 268435878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268435873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22369651 + ... + 22369662.

It is an arithmetic number, because the mean of its divisors is an integer number (67108971).

Almost surely, 2^268435878 is an apocalyptic number.

268435878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

268435878 is a wasteful number, since it uses less digits than its factorization.

268435878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44739318.

The product of its digits is 2580480, while the sum is 51.

The square root of 268435878 is about 16384.0128784129. The cubic root of 268435878 is about 645.0799155833.

The spelling of 268435878 in words is "two hundred sixty-eight million, four hundred thirty-five thousand, eight hundred seventy-eight".