8664867860 has 96 divisors (see below), whose sum is σ = 20184595200. Its totient is φ = 3098096640.

The previous prime is 8664867859. The next prime is 8664867923. The reversal of 8664867860 is 687684668.

It is a self number, because there is not a number n which added to its sum of digits gives 8664867860.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7049726 + ... + 7050954.

It is an arithmetic number, because the mean of its divisors is an integer number (210256200).

Almost surely, 2^8664867860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8664867860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10092297600).

8664867860 is an abundant number, since it is smaller than the sum of its proper divisors (11519727340).

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

8664867860 is a wasteful number, since it uses less digits than its factorization.

8664867860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761 (or 1759 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 59.

The square root of 8664867860 is about 93085.2719821992. The cubic root of 8664867860 is about 2053.9379281517.

The spelling of 8664867860 in words is "eight billion, six hundred sixty-four million, eight hundred sixty-seven thousand, eight hundred sixty".