39672079717 has 8 divisors (see below), whose sum is σ = 41132236032. Its totient is φ = 38223199200.

The previous prime is 39672079709. The next prime is 39672079739. The reversal of 39672079717 is 71797027693.

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 39672079717 - 2³ = 39672079709 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 (39672079817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2811784 + ... + 2825857.

It is an arithmetic number, because the mean of its divisors is an integer number (5141529504).

Almost surely, 2^39672079717 is an apocalyptic number.

It is an amenable number.

39672079717 is a deficient number, since it is larger than the sum of its proper divisors (1460156315).

39672079717 is a wasteful number, since it uses less digits than its factorization.

39672079717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5637899.

The product of its (nonzero) digits is 7001316, while the sum is 58.

The spelling of 39672079717 in words is "thirty-nine billion, six hundred seventy-two million, seventy-nine thousand, seven hundred seventeen".