109585863 has 12 divisors (see below), whose sum is σ = 166622040. Its totient is φ = 69212016.

The previous prime is 109585849. The next prime is 109585871. The reversal of 109585863 is 368585901.

109585863 is a `hidden beast` number, since 1 + 0 + 9 + 585 + 8 + 63 = 666.

It is not a de Polignac number, because 109585863 - 2⁵ = 109585831 is a prime.

It is a super-2 number, since 2×109585863² = 24018122738909538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109585963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320256 + ... + 320597.

It is an arithmetic number, because the mean of its divisors is an integer number (13885170).

Almost surely, 2^109585863 is an apocalyptic number.

109585863 is a deficient number, since it is larger than the sum of its proper divisors (57036177).

109585863 is a wasteful number, since it uses less digits than its factorization.

109585863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640878 (or 640875 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 109585863 is about 10468.3266571119. The cubic root of 109585863 is about 478.5399251940.

The spelling of 109585863 in words is "one hundred nine million, five hundred eighty-five thousand, eight hundred sixty-three".