8717247055 has 16 divisors (see below), whose sum is σ = 11581997184. Its totient is φ = 6245189280.

The previous prime is 8717247041. The next prime is 8717247073. The reversal of 8717247055 is 5507427178.

It is not a de Polignac number, because 8717247055 - 2⁹ = 8717246543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8717246996 and 8717247014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1179117 + ... + 1186486.

It is an arithmetic number, because the mean of its divisors is an integer number (723874824).

Almost surely, 2^8717247055 is an apocalyptic number.

8717247055 is a deficient number, since it is larger than the sum of its proper divisors (2864750129).

8717247055 is a wasteful number, since it uses less digits than its factorization.

8717247055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365686.

The product of its (nonzero) digits is 548800, while the sum is 46.

The square root of 8717247055 is about 93366.1986748952. The cubic root of 8717247055 is about 2058.0683069344.

The spelling of 8717247055 in words is "eight billion, seven hundred seventeen million, two hundred forty-seven thousand, fifty-five".