8800008991 has 2 divisors, whose sum is σ = 8800008992. Its totient is φ = 8800008990.

The previous prime is 8800008947. The next prime is 8800009027. The reversal of 8800008991 is 1998000088.

8800008991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8800008991 - 2³³ = 210074399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8800008941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4400004495 + 4400004496.

It is an arithmetic number, because the mean of its divisors is an integer number (4400004496).

Almost surely, 2^8800008991 is an apocalyptic number.

8800008991 is a deficient number, since it is larger than the sum of its proper divisors (1).

8800008991 is an equidigital number, since it uses as much as digits as its factorization.

8800008991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 43.

The square root of 8800008991 is about 93808.3631186474. The cubic root of 8800008991 is about 2064.5609340360.

The spelling of 8800008991 in words is "eight billion, eight hundred million, eight thousand, nine hundred ninety-one".