768121266 has 32 divisors (see below), whose sum is σ = 1697126400. Its totient is φ = 229816080.

The previous prime is 768121213. The next prime is 768121267. The reversal of 768121266 is 662121867.

768121266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 68446 + ... + 78873.

It is an arithmetic number, because the mean of its divisors is an integer number (53035200).

Almost surely, 2^768121266 is an apocalyptic number.

768121266 is an abundant number, since it is smaller than the sum of its proper divisors (929005134).

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

768121266 is a wasteful number, since it uses less digits than its factorization.

768121266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147414.

The product of its digits is 48384, while the sum is 39.

The square root of 768121266 is about 27715.0007396716. Note that the first 3 decimals coincide. The cubic root of 768121266 is about 915.8195911301.

The spelling of 768121266 in words is "seven hundred sixty-eight million, one hundred twenty-one thousand, two hundred sixty-six".