680789346336 has 144 divisors (see below), whose sum is σ = 2180123382528. Its totient is φ = 199644940800.

The previous prime is 680789346317. The next prime is 680789346359. The reversal of 680789346336 is 633643987086.

It is a happy number.

680789346336 is a `hidden beast` number, since 6 + 80 + 7 + 8 + 93 + 463 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3367851 + ... + 3564266.

It is an arithmetic number, because the mean of its divisors is an integer number (15139745712).

Almost surely, 2^680789346336 is an apocalyptic number.

680789346336 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

680789346336 is an abundant number, since it is smaller than the sum of its proper divisors (1499334036192).

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

680789346336 is a wasteful number, since it uses less digits than its factorization.

680789346336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6932175 (or 6932164 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 63.

The spelling of 680789346336 in words is "six hundred eighty billion, seven hundred eighty-nine million, three hundred forty-six thousand, three hundred thirty-six".