680811197 has 8 divisors (see below), whose sum is σ = 742990080. Its totient is φ = 618680160.

The previous prime is 680811193. The next prime is 680811227. The reversal of 680811197 is 791118086.

680811197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 680811197 - 2² = 680811193 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 (680811193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22004 + ... + 42962.

It is an arithmetic number, because the mean of its divisors is an integer number (92873760).

Almost surely, 2^680811197 is an apocalyptic number.

It is an amenable number.

680811197 is a deficient number, since it is larger than the sum of its proper divisors (62178883).

680811197 is a wasteful number, since it uses less digits than its factorization.

680811197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23923.

The product of its (nonzero) digits is 24192, while the sum is 41.

The square root of 680811197 is about 26092.3589772945. The cubic root of 680811197 is about 879.7154714609.

The spelling of 680811197 in words is "six hundred eighty million, eight hundred eleven thousand, one hundred ninety-seven".