9988664467 has 2 divisors, whose sum is σ = 9988664468. Its totient is φ = 9988664466.

The previous prime is 9988664443. The next prime is 9988664479. The reversal of 9988664467 is 7644668899.

9988664467 is digitally balanced in base 3, 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 9988664467 - 2⁷ = 9988664339 is a prime.

It is not a weakly prime, because it can be changed into another prime (9988664167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4994332233 + 4994332234.

It is an arithmetic number, because the mean of its divisors is an integer number (4994332234).

Almost surely, 2^9988664467 is an apocalyptic number.

9988664467 is a deficient number, since it is larger than the sum of its proper divisors (1).

9988664467 is an equidigital number, since it uses as much as digits as its factorization.

9988664467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 125411328, while the sum is 67.

The square root of 9988664467 is about 99943.3062641015. The cubic root of 9988664467 is about 2153.6203267288.

The spelling of 9988664467 in words is "nine billion, nine hundred eighty-eight million, six hundred sixty-four thousand, four hundred sixty-seven".