7980685647088 has 200 divisors, whose sum is σ = 19511364684800. Its totient is φ = 3097711900800.

The previous prime is 7980685647061. The next prime is 7980685647199. The reversal of 7980685647088 is 8807465860897.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 444374653 + ... + 444392611.

It is an arithmetic number, because the mean of its divisors is an integer number (97556823424).

Almost surely, 2^{7980685647088} 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 7980685647088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9755682342400).

7980685647088 is an abundant number, since it is smaller than the sum of its proper divisors (11530679037712).

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

7980685647088 is a wasteful number, since it uses less digits than its factorization.

7980685647088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18289 (or 18250 counting only the distinct ones).

The product of its (nonzero) digits is 1300561920, while the sum is 76.

The spelling of 7980685647088 in words is "seven trillion, nine hundred eighty billion, six hundred eighty-five million, six hundred forty-seven thousand, eighty-eight".