680207995789 has 8 divisors (see below), whose sum is σ = 818295333440. Its totient is φ = 552349349856.

The previous prime is 680207995777. The next prime is 680207995853. The reversal of 680207995789 is 987599702086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 680207995789 - 2¹¹ = 680207993741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680207995729) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2557172784 + ... + 2557173049.

It is an arithmetic number, because the mean of its divisors is an integer number (102286916680).

Almost surely, 2^680207995789 is an apocalyptic number.

It is an amenable number.

680207995789 is a deficient number, since it is larger than the sum of its proper divisors (138087337651).

680207995789 is a wasteful number, since it uses less digits than its factorization.

680207995789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114345859.

The product of its (nonzero) digits is 137168640, while the sum is 70.

The spelling of 680207995789 in words is "six hundred eighty billion, two hundred seven million, nine hundred ninety-five thousand, seven hundred eighty-nine".