268787386 has 16 divisors (see below), whose sum is σ = 460990080. Its totient is φ = 115141680.

The previous prime is 268787381. The next prime is 268787413. The reversal of 268787386 is 683787862.

It is not an unprimeable number, because it can be changed into a prime (268787381) 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 7 ways as a sum of consecutive naturals, for example, 52300 + ... + 57208.

It is an arithmetic number, because the mean of its divisors is an integer number (28811880).

Almost surely, 2^268787386 is an apocalyptic number.

268787386 is a deficient number, since it is larger than the sum of its proper divisors (192202694).

268787386 is a wasteful number, since it uses less digits than its factorization.

268787386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8829.

The product of its digits is 5419008, while the sum is 55.

The square root of 268787386 is about 16394.7365334122. The cubic root of 268787386 is about 645.3613631185.

The spelling of 268787386 in words is "two hundred sixty-eight million, seven hundred eighty-seven thousand, three hundred eighty-six".