8687131876869 has 8 divisors (see below), whose sum is σ = 11582865021120. Its totient is φ = 5791409991936.

The previous prime is 8687131876853. The next prime is 8687131876897. The reversal of 8687131876869 is 9686781317868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8687131876869 - 2⁴ = 8687131876853 is a prime.

It is a super-2 number, since 2×8687131876869² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8687131876794 and 8687131876803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8687131876469) 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, 810697 + ... + 4246350.

It is an arithmetic number, because the mean of its divisors is an integer number (1447858127640).

Almost surely, 2^{8687131876869} is an apocalyptic number.

It is an amenable number.

8687131876869 is a deficient number, since it is larger than the sum of its proper divisors (2895733144251).

8687131876869 is a wasteful number, since it uses less digits than its factorization.

8687131876869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5629659.

The product of its digits is 1170505728, while the sum is 78.

The spelling of 8687131876869 in words is "eight trillion, six hundred eighty-seven billion, one hundred thirty-one million, eight hundred seventy-six thousand, eight hundred sixty-nine".