9988007 has 2 divisors, whose sum is σ = 9988008. Its totient is φ = 9988006.

The previous prime is 9988001. The next prime is 9988057. The reversal of 9988007 is 7008899.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9988007 - 2²⁰ = 8939431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9988001) by changing a digit.

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 as a sum of consecutive naturals, namely, 4994003 + 4994004.

It is an arithmetic number, because the mean of its divisors is an integer number (4994004).

Almost surely, 2^9988007 is an apocalyptic number.

9988007 is a deficient number, since it is larger than the sum of its proper divisors (1).

9988007 is an equidigital number, since it uses as much as digits as its factorization.

9988007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 9988007 is about 3160.3808314822. The cubic root of 9988007 is about 215.3573074320.

The spelling of 9988007 in words is "nine million, nine hundred eighty-eight thousand, seven".