680097088 has 56 divisors (see below), whose sum is σ = 1475256384. Its totient is φ = 308505600.

The previous prime is 680097059. The next prime is 680097109. The reversal of 680097088 is 880790086.

It is a congruent number.

It is an unprimeable number.

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, 659133 + ... + 660163.

It is an arithmetic number, because the mean of its divisors is an integer number (26343864).

Almost surely, 2^680097088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680097088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737628192).

680097088 is an abundant number, since it is smaller than the sum of its proper divisors (795159296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680097088 is a wasteful number, since it uses less digits than its factorization.

680097088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991 (or 1981 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 680097088 is about 26078.6711317889. The cubic root of 680097088 is about 879.4077833615.

The spelling of 680097088 in words is "six hundred eighty million, ninety-seven thousand, eighty-eight".