8871863 has 16 divisors (see below), whose sum is σ = 11913216. Its totient is φ = 6380640.

The previous prime is 8871853. The next prime is 8871869. The reversal of 8871863 is 3681788.

8871863 = T₉₂ + T₉₃ + ... + T₃₇₇.

It is not a de Polignac number, because 8871863 - 2⁴ = 8871847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8871863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8871869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3431 + ... + 5432.

It is an arithmetic number, because the mean of its divisors is an integer number (744576).

Almost surely, 2^8871863 is an apocalyptic number.

8871863 is a deficient number, since it is larger than the sum of its proper divisors (3041353).

8871863 is a wasteful number, since it uses less digits than its factorization.

8871863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8894.

The product of its digits is 64512, while the sum is 41.

The square root of 8871863 is about 2978.5672730358. The cubic root of 8871863 is about 207.0164907086.

The spelling of 8871863 in words is "eight million, eight hundred seventy-one thousand, eight hundred sixty-three".