47664522628 has 6 divisors (see below), whose sum is σ = 83412914606. Its totient is φ = 23832261312.

The previous prime is 47664522623. The next prime is 47664522677. The reversal of 47664522628 is 82622546674.

It can be written as a sum of positive squares in only one way, i.e., 32253286464 + 15411236164 = 179592^2 + 124142^2 .

It is not an unprimeable number, because it can be changed into a prime (47664522623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5958065325 + ... + 5958065332.

Almost surely, 2^47664522628 is an apocalyptic number.

It is an amenable number.

47664522628 is a deficient number, since it is larger than the sum of its proper divisors (35748391978).

47664522628 is a wasteful number, since it uses less digits than its factorization.

47664522628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11916130661 (or 11916130659 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 52.

The spelling of 47664522628 in words is "forty-seven billion, six hundred sixty-four million, five hundred twenty-two thousand, six hundred twenty-eight".