268971478 has 8 divisors (see below), whose sum is σ = 403545168. Its totient is φ = 134456424.

The previous prime is 268971431. The next prime is 268971497. The reversal of 268971478 is 874179862.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 426 + ... + 23197.

It is an arithmetic number, because the mean of its divisors is an integer number (50443146).

Almost surely, 2^268971478 is an apocalyptic number.

268971478 is a deficient number, since it is larger than the sum of its proper divisors (134573690).

268971478 is a wasteful number, since it uses less digits than its factorization.

268971478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29318.

The product of its digits is 1354752, while the sum is 52.

The square root of 268971478 is about 16400.3499352910. The cubic root of 268971478 is about 645.5086651092.

The spelling of 268971478 in words is "two hundred sixty-eight million, nine hundred seventy-one thousand, four hundred seventy-eight".