680004205616727 has 12 divisors (see below), whose sum is σ = 998876234240040. Its totient is φ = 445652473737168.

The previous prime is 680004205616699. The next prime is 680004205616737. The reversal of 680004205616727 is 727616502400086.

It is a happy number.

680004205616727 is a `hidden beast` number, since 6 + 8 + 0 + 0 + 0 + 4 + 2 + 0 + 561 + 6 + 72 + 7 = 666.

It is not a de Polignac number, because 680004205616727 - 2⁶ = 680004205616663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680004205616737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 640305277828 + ... + 640305278889.

It is an arithmetic number, because the mean of its divisors is an integer number (83239686186670).

Almost surely, 2^{680004205616727} is an apocalyptic number.

680004205616727 is a deficient number, since it is larger than the sum of its proper divisors (318872028623313).

680004205616727 is a wasteful number, since it uses less digits than its factorization.

680004205616727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280610556782 (or 1280610556779 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 680004205616727 in words is "six hundred eighty trillion, four billion, two hundred five million, six hundred sixteen thousand, seven hundred twenty-seven".