8646323887680 has 448 divisors, whose sum is σ = 28998026604288. Its totient is φ = 2180373544960.

The previous prime is 8646323887603. The next prime is 8646323887693. The reversal of 8646323887680 is 867883236468.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 173119672 + ... + 173169608.

It is an arithmetic number, because the mean of its divisors is an integer number (64727737956).

Almost surely, 2^{8646323887680} is an apocalyptic number.

8646323887680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8646323887680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14499013302144).

8646323887680 is an abundant number, since it is smaller than the sum of its proper divisors (20351702716608).

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

8646323887680 is a wasteful number, since it uses less digits than its factorization.

8646323887680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50134 (or 50124 counting only the distinct ones).

The product of its (nonzero) digits is 445906944, while the sum is 69.

The spelling of 8646323887680 in words is "eight trillion, six hundred forty-six billion, three hundred twenty-three million, eight hundred eighty-seven thousand, six hundred eighty".