680375055 has 32 divisors (see below), whose sum is σ = 1141853184. Its totient is φ = 345534336.

The previous prime is 680375041. The next prime is 680375077. The reversal of 680375055 is 550573086.

680375055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 26084²-1.

It is not a de Polignac number, because 680375055 - 2⁷ = 680374927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13044 + ... + 39126.

It is an arithmetic number, because the mean of its divisors is an integer number (35682912).

Almost surely, 2^680375055 is an apocalyptic number.

680375055 is a deficient number, since it is larger than the sum of its proper divisors (461478129).

680375055 is a wasteful number, since it uses less digits than its factorization.

680375055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26175.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 680375055 is about 26083.9999808312. Note that the first 4 decimals coincide. The cubic root of 680375055 is about 879.5275765754.

The spelling of 680375055 in words is "six hundred eighty million, three hundred seventy-five thousand, fifty-five".