2086047171717 has 8 divisors (see below), whose sum is σ = 2784088775424. Its totient is φ = 1389351841248.

The previous prime is 2086047171709. The next prime is 2086047171721. The reversal of 2086047171717 is 7171717406802.

It is a happy number.

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

It is not a de Polignac number, because 2086047171717 - 2³ = 2086047171709 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2086047171717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086047171797) 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, 336564693 + ... + 336570890.

It is an arithmetic number, because the mean of its divisors is an integer number (348011096928).

Almost surely, 2^{2086047171717} is an apocalyptic number.

It is an amenable number.

2086047171717 is a deficient number, since it is larger than the sum of its proper divisors (698041603707).

2086047171717 is a wasteful number, since it uses less digits than its factorization.

2086047171717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673136619.

The product of its (nonzero) digits is 921984, while the sum is 51.

The spelling of 2086047171717 in words is "two trillion, eighty-six billion, forty-seven million, one hundred seventy-one thousand, seven hundred seventeen".