7663773668 has 12 divisors (see below), whose sum is σ = 13500423552. Its totient is φ = 3806509800.

The previous prime is 7663773661. The next prime is 7663773683. The reversal of 7663773668 is 8663773667.

It is not an unprimeable number, because it can be changed into a prime (7663773661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6343580 + ... + 6344787.

It is an arithmetic number, because the mean of its divisors is an integer number (1125035296).

Almost surely, 2^7663773668 is an apocalyptic number.

It is an amenable number.

7663773668 is a deficient number, since it is larger than the sum of its proper divisors (5836649884).

7663773668 is a wasteful number, since it uses less digits than its factorization.

7663773668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12688522 (or 12688520 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 59.

The square root of 7663773668 is about 87542.9818317836. The cubic root of 7663773668 is about 1971.5791805713.

Subtracting 7663773668 from its reverse (8663773667), we obtain a palindrome (999999999).

The spelling of 7663773668 in words is "seven billion, six hundred sixty-three million, seven hundred seventy-three thousand, six hundred sixty-eight".