9713887 has 2 divisors, whose sum is σ = 9713888. Its totient is φ = 9713886.

The previous prime is 9713863. The next prime is 9713897. The reversal of 9713887 is 7883179.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9713887 - 2¹⁹ = 9189599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9713897) 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, 4856943 + 4856944.

It is an arithmetic number, because the mean of its divisors is an integer number (4856944).

Almost surely, 2^9713887 is an apocalyptic number.

9713887 is a deficient number, since it is larger than the sum of its proper divisors (1).

9713887 is an equidigital number, since it uses as much as digits as its factorization.

9713887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 43.

The square root of 9713887 is about 3116.7109266020. The cubic root of 9713887 is about 213.3688496098.

The spelling of 9713887 in words is "nine million, seven hundred thirteen thousand, eight hundred eighty-seven".