268964978 has 8 divisors (see below), whose sum is σ = 403518720. Its totient is φ = 134458740.

The previous prime is 268964977. The next prime is 268964981. The reversal of 268964978 is 879469862.

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

It is not an unprimeable number, because it can be changed into a prime (268964977) 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, 11423 + ... + 25853.

It is an arithmetic number, because the mean of its divisors is an integer number (50439840).

Almost surely, 2^268964978 is an apocalyptic number.

268964978 is a deficient number, since it is larger than the sum of its proper divisors (134553742).

268964978 is a wasteful number, since it uses less digits than its factorization.

268964978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23752.

The product of its digits is 10450944, while the sum is 59.

The square root of 268964978 is about 16400.1517675904. The cubic root of 268964978 is about 645.5034652516.

The spelling of 268964978 in words is "two hundred sixty-eight million, nine hundred sixty-four thousand, nine hundred seventy-eight".