680606434750 has 32 divisors (see below), whose sum is σ = 1389922092000. Its totient is φ = 247493248000.

The previous prime is 680606434721. The next prime is 680606434763. The reversal of 680606434750 is 57434606086.

It is a junction number, because it is equal to n+sod(n) for n = 680606434694 and 680606434703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123743875 + ... + 123749374.

It is an arithmetic number, because the mean of its divisors is an integer number (43435065375).

Almost surely, 2^680606434750 is an apocalyptic number.

680606434750 is an abundant number, since it is smaller than the sum of its proper divisors (709315657250).

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

680606434750 is a wasteful number, since it uses less digits than its factorization.

680606434750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247493277 (or 247493267 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 680606434750 in words is "six hundred eighty billion, six hundred six million, four hundred thirty-four thousand, seven hundred fifty".