7998089288 has 36 divisors (see below), whose sum is σ = 17448674985. Its totient is φ = 3426993696.

The previous prime is 7998089257. The next prime is 7998089317. The reversal of 7998089288 is 8829808997.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 4502678404 + 3495410884 = 67102^2 + 59122^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=63238.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1768406 + ... + 1772922.

Almost surely, 2^7998089288 is an apocalyptic number.

It is an amenable number.

7998089288 is an abundant number, since it is smaller than the sum of its proper divisors (9450585697).

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

7998089288 is an frugal number, since it uses more digits than its factorization.

7998089288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9054 (or 4526 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 68.

The square root of 7998089288 is about 89432.0372573498. The cubic root of 7998089288 is about 1999.8407613219.

The spelling of 7998089288 in words is "seven billion, nine hundred ninety-eight million, eighty-nine thousand, two hundred eighty-eight".