8605105056 has 72 divisors (see below), whose sum is σ = 24871978404. Its totient is φ = 2821340160.

The previous prime is 8605105021. The next prime is 8605105057. The reversal of 8605105056 is 6505015068.

It can be written as a sum of positive squares in 2 ways, for example, as 5889027600 + 2716077456 = 76740^2 + 52116^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 8605105056.

It is not an unprimeable number, because it can be changed into a prime (8605105057) 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, 227341 + ... + 262476.

Almost surely, 2^8605105056 is an apocalyptic number.

It is an amenable number.

8605105056 is an abundant number, since it is smaller than the sum of its proper divisors (16266873348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8605105056 is a wasteful number, since it uses less digits than its factorization.

8605105056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489894 (or 489883 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 8605105056 is about 92763.7054887309. The cubic root of 8605105056 is about 2049.2049311025.

The spelling of 8605105056 in words is "eight billion, six hundred five million, one hundred five thousand, fifty-six".