8871563 has 4 divisors (see below), whose sum is σ = 8884128. Its totient is φ = 8859000.

The previous prime is 8871553. The next prime is 8871571. The reversal of 8871563 is 3651788.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8871563 - 2⁴ = 8871547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8871503) 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 3 ways as a sum of consecutive naturals, for example, 5156 + ... + 6657.

It is an arithmetic number, because the mean of its divisors is an integer number (2221032).

Almost surely, 2^8871563 is an apocalyptic number.

8871563 is a deficient number, since it is larger than the sum of its proper divisors (12565).

8871563 is a wasteful number, since it uses less digits than its factorization.

8871563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12564.

The product of its digits is 40320, while the sum is 38.

The square root of 8871563 is about 2978.5169128276. The cubic root of 8871563 is about 207.0141572773.

The spelling of 8871563 in words is "eight million, eight hundred seventy-one thousand, five hundred sixty-three".