7808641159680 has 640 divisors, whose sum is σ = 28396686067200. Its totient is φ = 2058776248320.

The previous prime is 7808641159603. The next prime is 7808641159723. The reversal of 7808641159680 is 869511468087.

7808641159680 is a `hidden beast` number, since 7 + 80 + 86 + 411 + 5 + 9 + 68 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

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, 498278245 + ... + 498293915.

It is an arithmetic number, because the mean of its divisors is an integer number (44369821980).

Almost surely, 2^{7808641159680} 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 7808641159680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14198343033600).

7808641159680 is an abundant number, since it is smaller than the sum of its proper divisors (20588044907520).

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

7808641159680 is an frugal number, since it uses more digits than its factorization.

7808641159680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15804 (or 15770 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 63.

The spelling of 7808641159680 in words is "seven trillion, eight hundred eight billion, six hundred forty-one million, one hundred fifty-nine thousand, six hundred eighty".