8255863 has 36 divisors (see below), whose sum is σ = 11339352. Its totient is φ = 5940480.

The previous prime is 8255857. The next prime is 8255867. The reversal of 8255863 is 3685528.

It is not a de Polignac number, because 8255863 - 2⁵ = 8255831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8255867) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 155745 + ... + 155797.

It is an arithmetic number, because the mean of its divisors is an integer number (314982).

Almost surely, 2^8255863 is an apocalyptic number.

8255863 is a deficient number, since it is larger than the sum of its proper divisors (3083489).

8255863 is a wasteful number, since it uses less digits than its factorization.

8255863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 88 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 8255863 is about 2873.3017593006. The cubic root of 8255863 is about 202.1098559395.

It can be divided in two parts, 82558 and 63, that added together give a triangular number (82621 = T₄₀₆).

The spelling of 8255863 in words is "eight million, two hundred fifty-five thousand, eight hundred sixty-three".