268378111 has 8 divisors (see below), whose sum is σ = 270286848. Its totient is φ = 266475000.

The previous prime is 268378069. The next prime is 268378141. The reversal of 268378111 is 111873862.

268378111 is nontrivially palindromic in base 16.

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 268378111 - 2¹⁷ = 268247039 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268378141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142506 + ... + 144376.

It is an arithmetic number, because the mean of its divisors is an integer number (33785856).

Almost surely, 2^268378111 is an apocalyptic number.

268378111 is a deficient number, since it is larger than the sum of its proper divisors (1908737).

268378111 is a wasteful number, since it uses less digits than its factorization.

268378111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813.

The product of its digits is 16128, while the sum is 37.

The square root of 268378111 is about 16382.2498760091. The cubic root of 268378111 is about 645.0336388521.

The spelling of 268378111 in words is "two hundred sixty-eight million, three hundred seventy-eight thousand, one hundred eleven".