8871396687 has 24 divisors (see below), whose sum is σ = 13108615104. Its totient is φ = 5778817344.

The previous prime is 8871396629. The next prime is 8871396691. The reversal of 8871396687 is 7866931788.

It is not a de Polignac number, because 8871396687 - 2⁸ = 8871396431 is a prime.

It is a super-2 number, since 2×8871396687² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8871396587) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242193 + ... + 276405.

It is an arithmetic number, because the mean of its divisors is an integer number (546192296).

Almost surely, 2^8871396687 is an apocalyptic number.

8871396687 is a deficient number, since it is larger than the sum of its proper divisors (4237218417).

8871396687 is a wasteful number, since it uses less digits than its factorization.

8871396687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34879 (or 34876 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 63.

The square root of 8871396687 is about 94188.0920658233. The cubic root of 8871396687 is about 2070.1286365484.

The spelling of 8871396687 in words is "eight billion, eight hundred seventy-one million, three hundred ninety-six thousand, six hundred eighty-seven".