680093507 has 4 divisors (see below), whose sum is σ = 680720256. Its totient is φ = 679466760.

The previous prime is 680093503. The next prime is 680093521. The reversal of 680093507 is 705390086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 680093507 - 2² = 680093503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680093503) by changing a digit.

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, 311744 + ... + 313917.

It is an arithmetic number, because the mean of its divisors is an integer number (170180064).

Almost surely, 2^680093507 is an apocalyptic number.

680093507 is a deficient number, since it is larger than the sum of its proper divisors (626749).

680093507 is a wasteful number, since it uses less digits than its factorization.

680093507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626748.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 680093507 is about 26078.6024740591. The cubic root of 680093507 is about 879.4062398736.

The spelling of 680093507 in words is "six hundred eighty million, ninety-three thousand, five hundred seven".