768121268 has 12 divisors (see below), whose sum is σ = 1423283652. Its totient is φ = 361468800.

The previous prime is 768121267. The next prime is 768121283. The reversal of 768121268 is 862121867.

768121268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 378769444 + 389351824 = 19462^2 + 19732^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768121267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5647883 + ... + 5648018.

It is an arithmetic number, because the mean of its divisors is an integer number (118606971).

Almost surely, 2^768121268 is an apocalyptic number.

It is an amenable number.

768121268 is a deficient number, since it is larger than the sum of its proper divisors (655162384).

768121268 is a wasteful number, since it uses less digits than its factorization.

768121268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11295922 (or 11295920 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 768121268 is about 27715.0007757532. Note that the first 3 decimals coincide. The cubic root of 768121268 is about 915.8195919249.

The spelling of 768121268 in words is "seven hundred sixty-eight million, one hundred twenty-one thousand, two hundred sixty-eight".