680814578 has 32 divisors (see below), whose sum is σ = 1068681600. Its totient is φ = 324998784.

The previous prime is 680814577. The next prime is 680814587. The reversal of 680814578 is 875418086.

It is a happy number.

680814578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (680814577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1099553 + ... + 1100171.

It is an arithmetic number, because the mean of its divisors is an integer number (33396300).

Almost surely, 2^680814578 is an apocalyptic number.

680814578 is a deficient number, since it is larger than the sum of its proper divisors (387867022).

680814578 is a wasteful number, since it uses less digits than its factorization.

680814578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914.

The product of its (nonzero) digits is 430080, while the sum is 47.

The square root of 680814578 is about 26092.4237662966. The cubic root of 680814578 is about 879.7169277203.

The spelling of 680814578 in words is "six hundred eighty million, eight hundred fourteen thousand, five hundred seventy-eight".