39668007717 has 32 divisors (see below), whose sum is σ = 63300594560. Its totient is φ = 24406220160.

The previous prime is 39668007677. The next prime is 39668007719. The reversal of 39668007717 is 71770086693.

It is not a de Polignac number, because 39668007717 - 2⁶ = 39668007653 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 (39668007719) 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 31 ways as a sum of consecutive naturals, for example, 2646438 + ... + 2661384.

It is an arithmetic number, because the mean of its divisors is an integer number (1978143580).

Almost surely, 2^39668007717 is an apocalyptic number.

It is an amenable number.

39668007717 is a deficient number, since it is larger than the sum of its proper divisors (23632586843).

39668007717 is a wasteful number, since it uses less digits than its factorization.

39668007717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22530 (or 22524 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The spelling of 39668007717 in words is "thirty-nine billion, six hundred sixty-eight million, seven thousand, seven hundred seventeen".