680806814 has 8 divisors (see below), whose sum is σ = 1021904208. Its totient is φ = 340172080.

The previous prime is 680806811. The next prime is 680806817. The reversal of 680806814 is 418608086.

It is an interprime number because it is at equal distance from previous prime (680806811) and next prime (680806817).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680806811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111962 + ... + 117885.

It is an arithmetic number, because the mean of its divisors is an integer number (127738026).

Almost surely, 2^680806814 is an apocalyptic number.

680806814 is a deficient number, since it is larger than the sum of its proper divisors (341097394).

680806814 is a wasteful number, since it uses less digits than its factorization.

680806814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231330.

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 680806814 is about 26092.2749870532. The cubic root of 680806814 is about 879.7135836143.

The spelling of 680806814 in words is "six hundred eighty million, eight hundred six thousand, eight hundred fourteen".