680468507 has 16 divisors (see below), whose sum is σ = 720783360. Its totient is φ = 641390400.

The previous prime is 680468497. The next prime is 680468521. The reversal of 680468507 is 705864086.

It is a cyclic number.

It is not a de Polignac number, because 680468507 - 2¹⁶ = 680402971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680468567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840719 + ... + 841527.

It is an arithmetic number, because the mean of its divisors is an integer number (45048960).

Almost surely, 2^680468507 is an apocalyptic number.

680468507 is a deficient number, since it is larger than the sum of its proper divisors (40314853).

680468507 is a wasteful number, since it uses less digits than its factorization.

680468507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 680468507 is about 26085.7912856789. The cubic root of 680468507 is about 879.5678435074.

The spelling of 680468507 in words is "six hundred eighty million, four hundred sixty-eight thousand, five hundred seven".