268875856 has 10 divisors (see below), whose sum is σ = 520947002. Its totient is φ = 134437920.

The previous prime is 268875811. The next prime is 268875877. The reversal of 268875856 is 658578862.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 224520256 + 44355600 = 14984^2 + 6660^2 .

It is a junction number, because it is equal to n+sod(n) for n = 268875797 and 268875806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8402355 + ... + 8402386.

Almost surely, 2^268875856 is an apocalyptic number.

It is an amenable number.

268875856 is a deficient number, since it is larger than the sum of its proper divisors (252071146).

268875856 is a wasteful number, since it uses less digits than its factorization.

268875856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16804749 (or 16804743 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 55.

The square root of 268875856 is about 16397.4344334716. The cubic root of 268875856 is about 645.4321611541.

The spelling of 268875856 in words is "two hundred sixty-eight million, eight hundred seventy-five thousand, eight hundred fifty-six".