680468508 has 36 divisors (see below), whose sum is σ = 1810605160. Its totient is φ = 214884576.

The previous prime is 680468497. The next prime is 680468521. The reversal of 680468508 is 805864086.

680468508 is a `hidden beast` number, since 6 + 80 + 4 + 68 + 508 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 496735 + ... + 498102.

Almost surely, 2^680468508 is an apocalyptic number.

It is an amenable number.

680468508 is an abundant number, since it is smaller than the sum of its proper divisors (1130136652).

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

680468508 is a wasteful number, since it uses less digits than its factorization.

680468508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994866 (or 994861 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 680468508 is about 26085.7913048464. The cubic root of 680468508 is about 879.5678439382.

The spelling of 680468508 in words is "six hundred eighty million, four hundred sixty-eight thousand, five hundred eight".