8688647891163 has 8 divisors (see below), whose sum is σ = 11584885872448. Its totient is φ = 5792420918664.

The previous prime is 8688647891111. The next prime is 8688647891167. The reversal of 8688647891163 is 3611987468868.

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

It is not a de Polignac number, because 8688647891163 - 2³² = 8684352923867 is a prime.

It is a super-2 number, since 2×8688647891163² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8688647891167) 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, 689845 + ... + 4225302.

It is an arithmetic number, because the mean of its divisors is an integer number (1448110734056).

Almost surely, 2^{8688647891163} is an apocalyptic number.

8688647891163 is a deficient number, since it is larger than the sum of its proper divisors (2896237981285).

8688647891163 is a wasteful number, since it uses less digits than its factorization.

8688647891163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5504393.

The product of its digits is 668860416, while the sum is 75.

The spelling of 8688647891163 in words is "eight trillion, six hundred eighty-eight billion, six hundred forty-seven million, eight hundred ninety-one thousand, one hundred sixty-three".