680215832 has 24 divisors (see below), whose sum is σ = 1354846260. Its totient is φ = 320100480.

The previous prime is 680215829. The next prime is 680215841. The reversal of 680215832 is 238512086.

It is a junction number, because it is equal to n+sod(n) for n = 680215792 and 680215801.

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 5 ways as a sum of consecutive naturals, for example, 144794 + ... + 149417.

Almost surely, 2^680215832 is an apocalyptic number.

It is an amenable number.

680215832 is a deficient number, since it is larger than the sum of its proper divisors (674630428).

680215832 is a wasteful number, since it uses less digits than its factorization.

680215832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294251 (or 294230 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 680215832 is about 26080.9476821683. The cubic root of 680215832 is about 879.4589615059.

The spelling of 680215832 in words is "six hundred eighty million, two hundred fifteen thousand, eight hundred thirty-two".