680592089 has 8 divisors (see below), whose sum is σ = 698672832. Its totient is φ = 662613840.

The previous prime is 680592079. The next prime is 680592131. The reversal of 680592089 is 980295086.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-680592089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (680592049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12074 + ... + 38819.

It is an arithmetic number, because the mean of its divisors is an integer number (87334104).

Almost surely, 2^680592089 is an apocalyptic number.

It is an amenable number.

680592089 is a deficient number, since it is larger than the sum of its proper divisors (18080743).

680592089 is a wasteful number, since it uses less digits than its factorization.

680592089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51247.

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 680592089 is about 26088.1599389455. The cubic root of 680592089 is about 879.6210873006.

The spelling of 680592089 in words is "six hundred eighty million, five hundred ninety-two thousand, eighty-nine".