8563055836 has 12 divisors (see below), whose sum is σ = 15017439528. Its totient is φ = 4272358832.

The previous prime is 8563055827. The next prime is 8563055857. The reversal of 8563055836 is 6385503658.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8563055836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2290171 + ... + 2293906.

It is an arithmetic number, because the mean of its divisors is an integer number (1251453294).

Almost surely, 2^8563055836 is an apocalyptic number.

It is an amenable number.

8563055836 is a deficient number, since it is larger than the sum of its proper divisors (6454383692).

8563055836 is a wasteful number, since it uses less digits than its factorization.

8563055836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4584548 (or 4584546 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 49.

The square root of 8563055836 is about 92536.7809900474. The cubic root of 8563055836 is about 2045.8616364584.

The spelling of 8563055836 in words is "eight billion, five hundred sixty-three million, fifty-five thousand, eight hundred thirty-six".