7963331680 has 96 divisors (see below), whose sum is σ = 20264428800. Its totient is φ = 2947456512.

The previous prime is 7963331659. The next prime is 7963331711. The reversal of 7963331680 is 861333697.

It is a self number, because there is not a number n which added to its sum of digits gives 7963331680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100261 + ... + 161179.

It is an arithmetic number, because the mean of its divisors is an integer number (211087800).

Almost surely, 2^7963331680 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 7963331680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10132214400).

7963331680 is an abundant number, since it is smaller than the sum of its proper divisors (12301097120).

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

7963331680 is a wasteful number, since it uses less digits than its factorization.

7963331680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60996 (or 60988 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 7963331680 is about 89237.5015338283. The cubic root of 7963331680 is about 1996.9396261111.

The spelling of 7963331680 in words is "seven billion, nine hundred sixty-three million, three hundred thirty-one thousand, six hundred eighty".