680585255 has 24 divisors (see below), whose sum is σ = 952653312. Its totient is φ = 465404352.

The previous prime is 680585233. The next prime is 680585261. The reversal of 680585255 is 552585086.

It is not a de Polignac number, because 680585255 - 2¹⁰ = 680584231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90209 + ... + 97461.

It is an arithmetic number, because the mean of its divisors is an integer number (39693888).

Almost surely, 2^680585255 is an apocalyptic number.

680585255 is a deficient number, since it is larger than the sum of its proper divisors (272068057).

680585255 is a wasteful number, since it uses less digits than its factorization.

680585255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7655 (or 7648 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 44.

The square root of 680585255 is about 26088.0289596589. The cubic root of 680585255 is about 879.6181431237.

The spelling of 680585255 in words is "six hundred eighty million, five hundred eighty-five thousand, two hundred fifty-five".