268815085 has 32 divisors (see below), whose sum is σ = 404064000. Its totient is φ = 166786560.

The previous prime is 268815083. The next prime is 268815091. The reversal of 268815085 is 580518862.

It is not a de Polignac number, because 268815085 - 2¹ = 268815083 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268815083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86641 + ... + 89689.

It is an arithmetic number, because the mean of its divisors is an integer number (12627000).

Almost surely, 2^268815085 is an apocalyptic number.

It is an amenable number.

268815085 is a deficient number, since it is larger than the sum of its proper divisors (135248915).

268815085 is a wasteful number, since it uses less digits than its factorization.

268815085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3301.

The product of its (nonzero) digits is 153600, while the sum is 43.

The square root of 268815085 is about 16395.5812644749. The cubic root of 268815085 is about 645.3835308879.

The spelling of 268815085 in words is "two hundred sixty-eight million, eight hundred fifteen thousand, eighty-five".