8440705717 has 8 divisors (see below), whose sum is σ = 8939128896. Its totient is φ = 7942494912.

The previous prime is 8440705687. The next prime is 8440705723. The reversal of 8440705717 is 7175070448.

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 8440705717 - 2¹⁵ = 8440672949 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 (8440705727) 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, 32718 + ... + 133984.

It is an arithmetic number, because the mean of its divisors is an integer number (1117391112).

Almost surely, 2^8440705717 is an apocalyptic number.

It is an amenable number.

8440705717 is a deficient number, since it is larger than the sum of its proper divisors (498423179).

8440705717 is a wasteful number, since it uses less digits than its factorization.

8440705717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106187.

The product of its (nonzero) digits is 219520, while the sum is 43.

The square root of 8440705717 is about 91873.3134103696. The cubic root of 8440705717 is about 2036.0710066063.

The spelling of 8440705717 in words is "eight billion, four hundred forty million, seven hundred five thousand, seven hundred seventeen".