8646888680 has 64 divisors (see below), whose sum is σ = 19769460480. Its totient is φ = 3403065600.

The previous prime is 8646888671. The next prime is 8646888689. The reversal of 8646888680 is 868886468.

It is an interprime number because it is at equal distance from previous prime (8646888671) and next prime (8646888689).

It is not an unprimeable number, because it can be changed into a prime (8646888689) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3297770 + ... + 3300390.

It is an arithmetic number, because the mean of its divisors is an integer number (308897820).

Almost surely, 2^8646888680 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 8646888680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9884730240).

8646888680 is an abundant number, since it is smaller than the sum of its proper divisors (11122571800).

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

8646888680 is a wasteful number, since it uses less digits than its factorization.

8646888680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930 (or 3926 counting only the distinct ones).

The product of its (nonzero) digits is 28311552, while the sum is 62.

The square root of 8646888680 is about 92988.6481243813. The cubic root of 8646888680 is about 2052.5163373034.

The spelling of 8646888680 in words is "eight billion, six hundred forty-six million, eight hundred eighty-eight thousand, six hundred eighty".