4747666568 has 36 divisors (see below), whose sum is σ = 9462920415. Its totient is φ = 2232636928.

The previous prime is 4747666559. The next prime is 4747666597. The reversal of 4747666568 is 8656667474.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 4667349124 + 80317444 = 68318^2 + 8962^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=48722.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3312380 + ... + 3313812.

Almost surely, 2^4747666568 is an apocalyptic number.

It is an amenable number.

4747666568 is a deficient number, since it is larger than the sum of its proper divisors (4715253847).

4747666568 is an equidigital number, since it uses as much as digits as its factorization.

4747666568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906 (or 1452 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 59.

The square root of 4747666568 is about 68903.3131859419. The cubic root of 4747666568 is about 1680.7123972256.

The spelling of 4747666568 in words is "four billion, seven hundred forty-seven million, six hundred sixty-six thousand, five hundred sixty-eight".