3884661547 has 12 divisors (see below), whose sum is σ = 4209133224. Its totient is φ = 3583569600.

The previous prime is 3884661523. The next prime is 3884661593. The reversal of 3884661547 is 7451664883.

It is a de Polignac number, because none of the positive numbers 2^k-3884661547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3884661494 and 3884661503.

It is not an unprimeable number, because it can be changed into a prime (3884661047) 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 11 ways as a sum of consecutive naturals, for example, 297988 + ... + 310750.

It is an arithmetic number, because the mean of its divisors is an integer number (350761102).

Almost surely, 2^3884661547 is an apocalyptic number.

3884661547 is a deficient number, since it is larger than the sum of its proper divisors (324471677).

3884661547 is a wasteful number, since it uses less digits than its factorization.

3884661547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14590 (or 14577 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 52.

The square root of 3884661547 is about 62327.0530909332. The cubic root of 3884661547 is about 1571.9946447890.

The spelling of 3884661547 in words is "three billion, eight hundred eighty-four million, six hundred sixty-one thousand, five hundred forty-seven".