680858196 has 24 divisors (see below), whose sum is σ = 1589427840. Its totient is φ = 226844352.

The previous prime is 680858147. The next prime is 680858203. The reversal of 680858196 is 691858086.

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 7 ways as a sum of consecutive naturals, for example, 15040 + ... + 39848.

It is an arithmetic number, because the mean of its divisors is an integer number (66226160).

Almost surely, 2^680858196 is an apocalyptic number.

It is an amenable number.

680858196 is an abundant number, since it is smaller than the sum of its proper divisors (908569644).

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

680858196 is a wasteful number, since it uses less digits than its factorization.

680858196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27103 (or 27101 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The square root of 680858196 is about 26093.2595894035. The cubic root of 680858196 is about 879.7357143693.

The spelling of 680858196 in words is "six hundred eighty million, eight hundred fifty-eight thousand, one hundred ninety-six".