680880701 has 4 divisors (see below), whose sum is σ = 682677600. Its totient is φ = 679083804.

The previous prime is 680880679. The next prime is 680880731. The reversal of 680880701 is 107088086.

680880701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-680880701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680880731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897881 + ... + 898638.

It is an arithmetic number, because the mean of its divisors is an integer number (170669400).

Almost surely, 2^680880701 is an apocalyptic number.

It is an amenable number.

680880701 is a deficient number, since it is larger than the sum of its proper divisors (1796899).

680880701 is a wasteful number, since it uses less digits than its factorization.

680880701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796898.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 680880701 is about 26093.6908274778. The cubic root of 680880701 is about 879.7454071532.

The spelling of 680880701 in words is "six hundred eighty million, eight hundred eighty thousand, seven hundred one".