7668204813 has 12 divisors (see below), whose sum is σ = 11659259040. Its totient is φ = 4843076616.

The previous prime is 7668204811. The next prime is 7668204847. The reversal of 7668204813 is 3184028667.

It is not a de Polignac number, because 7668204813 - 2¹ = 7668204811 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7668204811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22421481 + ... + 22421822.

It is an arithmetic number, because the mean of its divisors is an integer number (971604920).

Almost surely, 2^7668204813 is an apocalyptic number.

It is an amenable number.

7668204813 is a deficient number, since it is larger than the sum of its proper divisors (3991054227).

7668204813 is a wasteful number, since it uses less digits than its factorization.

7668204813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44843328 (or 44843325 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 7668204813 is about 87568.2865711097. The cubic root of 7668204813 is about 1971.9590921909.

The spelling of 7668204813 in words is "seven billion, six hundred sixty-eight million, two hundred four thousand, eight hundred thirteen".