9669887 has 2 divisors, whose sum is σ = 9669888. Its totient is φ = 9669886.

The previous prime is 9669859. The next prime is 9669899. The reversal of 9669887 is 7889669.

It is a strong prime.

It is an emirp because it is prime and its reverse (7889669) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9669887 - 2⁶ = 9669823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9669287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4834943 + 4834944.

It is an arithmetic number, because the mean of its divisors is an integer number (4834944).

Almost surely, 2^9669887 is an apocalyptic number.

9669887 is a deficient number, since it is larger than the sum of its proper divisors (1).

9669887 is an equidigital number, since it uses as much as digits as its factorization.

9669887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 53.

The square root of 9669887 is about 3109.6441918650. The cubic root of 9669887 is about 213.0462036176.

The spelling of 9669887 in words is "nine million, six hundred sixty-nine thousand, eight hundred eighty-seven".