268020817 has 8 divisors (see below), whose sum is σ = 281240640. Its totient is φ = 254931600.

The previous prime is 268020803. The next prime is 268020829. The reversal of 268020817 is 718020862.

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

It is a cyclic number.

It is not a de Polignac number, because 268020817 - 2²³ = 259632209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268020877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28434 + ... + 36667.

It is an arithmetic number, because the mean of its divisors is an integer number (35155080).

Almost surely, 2^268020817 is an apocalyptic number.

It is an amenable number.

268020817 is a deficient number, since it is larger than the sum of its proper divisors (13219823).

268020817 is a wasteful number, since it uses less digits than its factorization.

268020817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65303.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 268020817 is about 16371.3413317297. The cubic root of 268020817 is about 644.7472655238.

The spelling of 268020817 in words is "two hundred sixty-eight million, twenty thousand, eight hundred seventeen".