9870005663 has 12 divisors (see below), whose sum is σ = 11980629360. Its totient is φ = 8092177632.

The previous prime is 9870005659. The next prime is 9870005681. The reversal of 9870005663 is 3665000789.

9870005663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9870005663 - 2² = 9870005659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9870005683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4377758 + ... + 4380011.

It is an arithmetic number, because the mean of its divisors is an integer number (998385780).

Almost surely, 2^9870005663 is an apocalyptic number.

9870005663 is a deficient number, since it is larger than the sum of its proper divisors (2110623697).

9870005663 is a wasteful number, since it uses less digits than its factorization.

9870005663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8757806 (or 8757799 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 9870005663 is about 99347.9021570159. The cubic root of 9870005663 is about 2145.0584663927.

The spelling of 9870005663 in words is "nine billion, eight hundred seventy million, five thousand, six hundred sixty-three".