8785563 has 16 divisors (see below), whose sum is σ = 12316416. Its totient is φ = 5559840.

The previous prime is 8785547. The next prime is 8785571. The reversal of 8785563 is 3655878.

It is not a de Polignac number, because 8785563 - 2⁴ = 8785547 is a prime.

It is a super-2 number, since 2×8785563² = 154372234453938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8785573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10428 + ... + 11238.

It is an arithmetic number, because the mean of its divisors is an integer number (769776).

Almost surely, 2^8785563 is an apocalyptic number.

8785563 is a deficient number, since it is larger than the sum of its proper divisors (3530853).

8785563 is a wasteful number, since it uses less digits than its factorization.

8785563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994.

The product of its digits is 201600, while the sum is 42.

The square root of 8785563 is about 2964.0450401436. The cubic root of 8785563 is about 206.3430595665.

It can be divided in two parts, 878 and 5563, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 8785563 in words is "eight million, seven hundred eighty-five thousand, five hundred sixty-three".