9968587 has 2 divisors, whose sum is σ = 9968588. Its totient is φ = 9968586.

The previous prime is 9968573. The next prime is 9968627. The reversal of 9968587 is 7858699.

9968587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9968587 - 2²³ = 1579979 is a prime.

It is not a weakly prime, because it can be changed into another prime (9968537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4984293 + 4984294.

It is an arithmetic number, because the mean of its divisors is an integer number (4984294).

Almost surely, 2^9968587 is an apocalyptic number.

9968587 is a deficient number, since it is larger than the sum of its proper divisors (1).

9968587 is an equidigital number, since it uses as much as digits as its factorization.

9968587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 52.

The square root of 9968587 is about 3157.3069220461. The cubic root of 9968587 is about 215.2176415175.

It can be divided in two parts, 99 and 68587, that added together give a palindrome (68686).

The spelling of 9968587 in words is "nine million, nine hundred sixty-eight thousand, five hundred eighty-seven".