9988607 has 2 divisors, whose sum is σ = 9988608. Its totient is φ = 9988606.

The previous prime is 9988579. The next prime is 9988609. The reversal of 9988607 is 7068899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9988607 - 2¹⁸ = 9726463 is a prime.

Together with 9988609, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9988609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4994303 + 4994304.

It is an arithmetic number, because the mean of its divisors is an integer number (4994304).

Almost surely, 2^9988607 is an apocalyptic number.

9988607 is a deficient number, since it is larger than the sum of its proper divisors (1).

9988607 is an equidigital number, since it uses as much as digits as its factorization.

9988607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 9988607 is about 3160.4757553255. The cubic root of 9988607 is about 215.3616196636.

The spelling of 9988607 in words is "nine million, nine hundred eighty-eight thousand, six hundred seven".