7748880000 has 320 divisors, whose sum is σ = 26097271200. Its totient is φ = 2036224000.

The previous prime is 7748879987. The next prime is 7748880047. The reversal of 7748880000 is 888477.

It is a tau number, because it is divible by the number of its divisors (320).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19919806 + ... + 19920194.

Almost surely, 2^7748880000 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 7748880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13048635600).

7748880000 is an abundant number, since it is smaller than the sum of its proper divisors (18348391200).

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

7748880000 is an equidigital number, since it uses as much as digits as its factorization.

7748880000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 42.

The square root of 7748880000 is about 88027.7229059119. The cubic root of 7748880000 is about 1978.8504703852.

The spelling of 7748880000 in words is "seven billion, seven hundred forty-eight million, eight hundred eighty thousand".