680456005976 has 16 divisors (see below), whose sum is σ = 1275917222040. Its totient is φ = 340211413440.

The previous prime is 680456005973. The next prime is 680456006047. The reversal of 680456005976 is 679500654086.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680456005973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1898501 + ... + 2228276.

Almost surely, 2^680456005976 is an apocalyptic number.

It is an amenable number.

680456005976 is a deficient number, since it is larger than the sum of its proper divisors (595461216064).

680456005976 is a wasteful number, since it uses less digits than its factorization.

680456005976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147394 (or 4147390 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 680456005976 in words is "six hundred eighty billion, four hundred fifty-six million, five thousand, nine hundred seventy-six".