9866707 has 2 divisors, whose sum is σ = 9866708. Its totient is φ = 9866706.

The previous prime is 9866693. The next prime is 9866713. The reversal of 9866707 is 7076689.

9866707 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9866707 is a prime.

It is not a weakly prime, because it can be changed into another prime (9866767) 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, 4933353 + 4933354.

It is an arithmetic number, because the mean of its divisors is an integer number (4933354).

Almost surely, 2^9866707 is an apocalyptic number.

9866707 is a deficient number, since it is larger than the sum of its proper divisors (1).

9866707 is an equidigital number, since it uses as much as digits as its factorization.

9866707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 9866707 is about 3141.1314840356. The cubic root of 9866707 is about 214.4819472493.

The spelling of 9866707 in words is "nine million, eight hundred sixty-six thousand, seven hundred seven".