268647768 has 48 divisors (see below), whose sum is σ = 739931400. Its totient is φ = 88030080.

The previous prime is 268647763. The next prime is 268647791. The reversal of 268647768 is 867746862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268647763) 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 11 ways as a sum of consecutive naturals, for example, 27373 + ... + 35868.

Almost surely, 2^268647768 is an apocalyptic number.

It is an amenable number.

268647768 is an abundant number, since it is smaller than the sum of its proper divisors (471283632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268647768 is a wasteful number, since it uses less digits than its factorization.

268647768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63312 (or 63305 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 268647768 is about 16390.4779674053. The cubic root of 268647768 is about 645.2496023327.

The spelling of 268647768 in words is "two hundred sixty-eight million, six hundred forty-seven thousand, seven hundred sixty-eight".