9717663 has 8 divisors (see below), whose sum is σ = 13374976. Its totient is φ = 6269400.

The previous prime is 9717649. The next prime is 9717689. The reversal of 9717663 is 3667179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9717663 - 2⁴ = 9717647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9717623) 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 in 7 ways as a sum of consecutive naturals, for example, 52153 + ... + 52338.

It is an arithmetic number, because the mean of its divisors is an integer number (1671872).

Almost surely, 2^9717663 is an apocalyptic number.

9717663 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

9717663 is a deficient number, since it is larger than the sum of its proper divisors (3657313).

9717663 is a wasteful number, since it uses less digits than its factorization.

9717663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104525.

The product of its digits is 47628, while the sum is 39.

The square root of 9717663 is about 3117.3166345432. The cubic root of 9717663 is about 213.3964930720.

The spelling of 9717663 in words is "nine million, seven hundred seventeen thousand, six hundred sixty-three".