776075668 has 12 divisors (see below), whose sum is σ = 1358514612. Its totient is φ = 387928640.

The previous prime is 776075659. The next prime is 776075689. The reversal of 776075668 is 866570677.

776075668 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 680270724 + 95804944 = 26082^2 + 9788^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10105 + ... + 40672.

It is an arithmetic number, because the mean of its divisors is an integer number (113209551).

Almost surely, 2^776075668 is an apocalyptic number.

It is an amenable number.

776075668 is a deficient number, since it is larger than the sum of its proper divisors (582438944).

776075668 is a wasteful number, since it uses less digits than its factorization.

776075668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54602 (or 54600 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 52.

The square root of 776075668 is about 27858.1346827098. The cubic root of 776075668 is about 918.9700461843.

The spelling of 776075668 in words is "seven hundred seventy-six million, seventy-five thousand, six hundred sixty-eight".