268478792 has 32 divisors (see below), whose sum is σ = 515332800. Its totient is φ = 131087424.

The previous prime is 268478789. The next prime is 268478813. The reversal of 268478792 is 297874862.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 72293 + ... + 75915.

It is an arithmetic number, because the mean of its divisors is an integer number (16104150).

Almost surely, 2^268478792 is an apocalyptic number.

It is an amenable number.

268478792 is a deficient number, since it is larger than the sum of its proper divisors (246854008).

268478792 is a wasteful number, since it uses less digits than its factorization.

268478792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845 (or 3841 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 53.

The square root of 268478792 is about 16385.3224563937. The cubic root of 268478792 is about 645.1142893844.

The spelling of 268478792 in words is "two hundred sixty-eight million, four hundred seventy-eight thousand, seven hundred ninety-two".