8688688868869 has 8 divisors (see below), whose sum is σ = 9147119394240. Its totient is φ = 8230371454656.

The previous prime is 8688688868861. The next prime is 8688688868929. The reversal of 8688688868869 is 9688688868868.

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

It is a cyclic number.

It is not a de Polignac number, because 8688688868869 - 2³ = 8688688868861 is a prime.

It is a super-2 number, since 2×8688688868869² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8688688868861) 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, 28120084 + ... + 28427389.

It is an arithmetic number, because the mean of its divisors is an integer number (1143389924280).

Almost surely, 2^{8688688868869} is an apocalyptic number.

It is an amenable number.

8688688868869 is a deficient number, since it is larger than the sum of its proper divisors (458430525371).

8688688868869 is a wasteful number, since it uses less digits than its factorization.

8688688868869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56555579.

The product of its digits is 195689447424, while the sum is 97.

Subtracting 8688688868869 from its reverse (9688688868868), we obtain a palindrome (999999999999).

The spelling of 8688688868869 in words is "eight trillion, six hundred eighty-eight billion, six hundred eighty-eight million, eight hundred sixty-eight thousand, eight hundred sixty-nine".