686899116 has 60 divisors (see below), whose sum is σ = 1853642560. Its totient is φ = 221577120.

The previous prime is 686899111. The next prime is 686899123. The reversal of 686899116 is 611998686.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (686899111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24151 + ... + 44238.

Almost surely, 2^686899116 is an apocalyptic number.

It is an amenable number.

686899116 is an abundant number, since it is smaller than the sum of its proper divisors (1166743444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

686899116 is a wasteful number, since it uses less digits than its factorization.

686899116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68436 (or 68425 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The square root of 686899116 is about 26208.7602911698. The cubic root of 686899116 is about 882.3298779948.

The spelling of 686899116 in words is "six hundred eighty-six million, eight hundred ninety-nine thousand, one hundred sixteen".