268456863 has 8 divisors (see below), whose sum is σ = 361226800. Its totient is φ = 177329088.

The previous prime is 268456849. The next prime is 268456879. The reversal of 268456863 is 368654862.

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

It is not a de Polignac number, because 268456863 - 2¹³ = 268448671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268456883) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 410158 + ... + 410811.

It is an arithmetic number, because the mean of its divisors is an integer number (45153350).

Almost surely, 2^268456863 is an apocalyptic number.

268456863 is a deficient number, since it is larger than the sum of its proper divisors (92769937).

268456863 is a wasteful number, since it uses less digits than its factorization.

268456863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821081.

The product of its digits is 1658880, while the sum is 48.

The square root of 268456863 is about 16384.6532767709. The cubic root of 268456863 is about 645.0967248730.

The spelling of 268456863 in words is "two hundred sixty-eight million, four hundred fifty-six thousand, eight hundred sixty-three".