8663475863 has 16 divisors (see below), whose sum is σ = 10246666560. Its totient is φ = 7166880000.

The previous prime is 8663475827. The next prime is 8663475881. The reversal of 8663475863 is 3685743668.

8663475863 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8663475863 - 2¹² = 8663471767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8663475799 and 8663475808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8663475463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602093 + ... + 616313.

It is an arithmetic number, because the mean of its divisors is an integer number (640416660).

Almost surely, 2^8663475863 is an apocalyptic number.

8663475863 is a deficient number, since it is larger than the sum of its proper divisors (1583190697).

8663475863 is a wasteful number, since it uses less digits than its factorization.

8663475863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17258.

The product of its digits is 17418240, while the sum is 56.

The square root of 8663475863 is about 93077.7946827276. The cubic root of 8663475863 is about 2053.8279349933.

The spelling of 8663475863 in words is "eight billion, six hundred sixty-three million, four hundred seventy-five thousand, eight hundred sixty-three".