680686086 has 32 divisors (see below), whose sum is σ = 1491164640. Its totient is φ = 206183936.

The previous prime is 680686063. The next prime is 680686099.

680686086 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112101 + ... + 118016.

It is an arithmetic number, because the mean of its divisors is an integer number (46598895).

Almost surely, 2^680686086 is an apocalyptic number.

680686086 is an abundant number, since it is smaller than the sum of its proper divisors (810478554).

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

680686086 is a wasteful number, since it uses less digits than its factorization.

680686086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230168.

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 680686086 is about 26089.9614028078. The cubic root of 680686086 is about 879.6615804431.

The spelling of 680686086 in words is "six hundred eighty million, six hundred eighty-six thousand, eighty-six".