8659985232816 has 480 divisors, whose sum is σ = 28041155251200. Its totient is φ = 2571245752320.

The previous prime is 8659985232809. The next prime is 8659985232823. The reversal of 8659985232816 is 6182325899568.

8659985232816 is a `hidden beast` number, since 8 + 6 + 5 + 9 + 98 + 523 + 2 + 8 + 1 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (8659985232809) and next prime (8659985232823).

It is a super-3 number, since 3×8659985232816³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1483125225 + ... + 1483131063.

It is an arithmetic number, because the mean of its divisors is an integer number (58419073440).

Almost surely, 2^{8659985232816} 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 8659985232816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14020577625600).

8659985232816 is an abundant number, since it is smaller than the sum of its proper divisors (19381170018384).

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

8659985232816 is a wasteful number, since it uses less digits than its factorization.

8659985232816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7079 (or 7061 counting only the distinct ones).

The product of its digits is 447897600, while the sum is 72.

The spelling of 8659985232816 in words is "eight trillion, six hundred fifty-nine billion, nine hundred eighty-five million, two hundred thirty-two thousand, eight hundred sixteen".