680436278744 has 8 divisors (see below), whose sum is σ = 1275818022660. Its totient is φ = 340218139368.

The previous prime is 680436278719. The next prime is 680436278773. The reversal of 680436278744 is 447872634086.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42527267414 + ... + 42527267429.

Almost surely, 2^680436278744 is an apocalyptic number.

It is an amenable number.

680436278744 is a deficient number, since it is larger than the sum of its proper divisors (595381743916).

680436278744 is a wasteful number, since it uses less digits than its factorization.

680436278744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85054534849 (or 85054534845 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 59.

The spelling of 680436278744 in words is "six hundred eighty billion, four hundred thirty-six million, two hundred seventy-eight thousand, seven hundred forty-four".