669117317 has 8 divisors (see below), whose sum is σ = 730228800. Its totient is φ = 608052960.

The previous prime is 669117283. The next prime is 669117329. The reversal of 669117317 is 713711966.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 669117317 - 2⁸ = 669117061 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 (669117347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22184 + ... + 42782.

It is an arithmetic number, because the mean of its divisors is an integer number (91278600).

Almost surely, 2^669117317 is an apocalyptic number.

It is an amenable number.

669117317 is a deficient number, since it is larger than the sum of its proper divisors (61111483).

669117317 is a wasteful number, since it uses less digits than its factorization.

669117317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23563.

The product of its digits is 47628, while the sum is 41.

The square root of 669117317 is about 25867.3020819721. The cubic root of 669117317 is about 874.6495759242.

The spelling of 669117317 in words is "six hundred sixty-nine million, one hundred seventeen thousand, three hundred seventeen".