268978322 has 8 divisors (see below), whose sum is σ = 403748400. Its totient is φ = 134395524.

The previous prime is 268978313. The next prime is 268978397. The reversal of 268978322 is 223879862.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43172 + ... + 49007.

It is an arithmetic number, because the mean of its divisors is an integer number (50468550).

Almost surely, 2^268978322 is an apocalyptic number.

268978322 is a deficient number, since it is larger than the sum of its proper divisors (134770078).

268978322 is a wasteful number, since it uses less digits than its factorization.

268978322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93640.

The product of its digits is 580608, while the sum is 47.

The square root of 268978322 is about 16400.5585880482. The cubic root of 268978322 is about 645.5141400686.

The spelling of 268978322 in words is "two hundred sixty-eight million, nine hundred seventy-eight thousand, three hundred twenty-two".