39696047817 has 8 divisors (see below), whose sum is σ = 52973973024. Its totient is φ = 26441077248.

The previous prime is 39696047813. The next prime is 39696047893. The reversal of 39696047817 is 71874069693.

39696047817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 39696047817 - 2² = 39696047813 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39696047813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5734623 + ... + 5741540.

It is an arithmetic number, because the mean of its divisors is an integer number (6621746628).

Almost surely, 2^39696047817 is an apocalyptic number.

It is an amenable number.

39696047817 is a deficient number, since it is larger than the sum of its proper divisors (13277925207).

39696047817 is a wasteful number, since it uses less digits than its factorization.

39696047817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11477319.

The product of its (nonzero) digits is 13716864, while the sum is 60.

The spelling of 39696047817 in words is "thirty-nine billion, six hundred ninety-six million, forty-seven thousand, eight hundred seventeen".