7988321088 has 560 divisors, whose sum is σ = 27837627840. Its totient is φ = 2239488000.

The previous prime is 7988321051. The next prime is 7988321093. The reversal of 7988321088 is 8801238897.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 79092238 + ... + 79092338.

Almost surely, 2^7988321088 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 7988321088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13918813920).

7988321088 is an abundant number, since it is smaller than the sum of its proper divisors (19849306752).

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

7988321088 is a wasteful number, since it uses less digits than its factorization.

7988321088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 54.

The square root of 7988321088 is about 89377.4081521723. The cubic root of 7988321088 is about 1999.0262833482.

The spelling of 7988321088 in words is "seven billion, nine hundred eighty-eight million, three hundred twenty-one thousand, eighty-eight".