686008885718 has 16 divisors (see below), whose sum is σ = 1118334885360. Its totient is φ = 313714718496.

The previous prime is 686008885711. The next prime is 686008885853. The reversal of 686008885718 is 817588800686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686008885711) 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, 121029080 + ... + 121034747.

It is an arithmetic number, because the mean of its divisors is an integer number (69895930335).

Almost surely, 2^686008885718 is an apocalyptic number.

686008885718 is a deficient number, since it is larger than the sum of its proper divisors (432325999642).

686008885718 is a wasteful number, since it uses less digits than its factorization.

686008885718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242063951.

The product of its (nonzero) digits is 41287680, while the sum is 65.

The spelling of 686008885718 in words is "six hundred eighty-six billion, eight million, eight hundred eighty-five thousand, seven hundred eighteen".