8613171687 has 16 divisors (see below), whose sum is σ = 11513372672. Its totient is φ = 5727564000.

The previous prime is 8613171683. The next prime is 8613171761. The reversal of 8613171687 is 7861713168.

It is a happy number.

8613171687 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8613171687 - 2² = 8613171683 is a prime.

It is a Smith number, since the sum of its digits (48) 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 (8613171683) 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, 2447253 + ... + 2450769.

It is an arithmetic number, because the mean of its divisors is an integer number (719585792).

Almost surely, 2^8613171687 is an apocalyptic number.

8613171687 is a deficient number, since it is larger than the sum of its proper divisors (2900200985).

8613171687 is a wasteful number, since it uses less digits than its factorization.

8613171687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5358.

The product of its digits is 338688, while the sum is 48.

The square root of 8613171687 is about 92807.1747603600. The cubic root of 8613171687 is about 2049.8450556697.

It can be divided in two parts, 8613 and 171687, that added together give a triangular number (180300 = T₆₀₀).

The spelling of 8613171687 in words is "eight billion, six hundred thirteen million, one hundred seventy-one thousand, six hundred eighty-seven".