680468008 has 16 divisors (see below), whose sum is σ = 1391866560. Its totient is φ = 309303600.

The previous prime is 680467981. The next prime is 680468023. The reversal of 680468008 is 800864086.

It is a happy number.

It is a super-2 number, since 2×680468008² = 926073419822976128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3866208 + ... + 3866383.

It is an arithmetic number, because the mean of its divisors is an integer number (86991660).

Almost surely, 2^680468008 is an apocalyptic number.

It is an amenable number.

680468008 is an abundant number, since it is smaller than the sum of its proper divisors (711398552).

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

680468008 is a wasteful number, since it uses less digits than its factorization.

680468008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7732608 (or 7732604 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 680468008 is about 26085.7817210832. The cubic root of 680468008 is about 879.5676285063.

The spelling of 680468008 in words is "six hundred eighty million, four hundred sixty-eight thousand, eight".