8717372069 has 16 divisors (see below), whose sum is σ = 10289714688. Its totient is φ = 7230030192.

The previous prime is 8717372033. The next prime is 8717372093. The reversal of 8717372069 is 9602737178.

It is not a de Polignac number, because 8717372069 - 2²⁰ = 8716323493 is a prime.

It is a super-2 number, since 2×8717372069² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8717372009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103127 + ... + 167540.

It is an arithmetic number, because the mean of its divisors is an integer number (643107168).

Almost surely, 2^8717372069 is an apocalyptic number.

It is an amenable number.

8717372069 is a deficient number, since it is larger than the sum of its proper divisors (1572342619).

8717372069 is a wasteful number, since it uses less digits than its factorization.

8717372069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270824.

The product of its (nonzero) digits is 889056, while the sum is 50.

The square root of 8717372069 is about 93366.8681546082. The cubic root of 8717372069 is about 2058.0781451368.

The spelling of 8717372069 in words is "eight billion, seven hundred seventeen million, three hundred seventy-two thousand, sixty-nine".