7872680907520 has 576 divisors, whose sum is σ = 23186377267200. Its totient is φ = 2520158699520.

The previous prime is 7872680907479. The next prime is 7872680907593. The reversal of 7872680907520 is 257090862787.

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, 1511358676 + ... + 1511363884.

It is an arithmetic number, because the mean of its divisors is an integer number (40254127200).

Almost surely, 2^{7872680907520} 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 7872680907520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11593188633600).

7872680907520 is an abundant number, since it is smaller than the sum of its proper divisors (15313696359680).

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

7872680907520 is a wasteful number, since it uses less digits than its factorization.

7872680907520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636 (or 5622 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 61.

The spelling of 7872680907520 in words is "seven trillion, eight hundred seventy-two billion, six hundred eighty million, nine hundred seven thousand, five hundred twenty".