680886229 has 4 divisors (see below), whose sum is σ = 681965920. Its totient is φ = 679806540.

The previous prime is 680886211. The next prime is 680886233. The reversal of 680886229 is 922688086.

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, and also an emirpimes, since its reverse is a distinct semiprime: 922688086 = 2 ⋅461344043.

It is a cyclic number.

It is not a de Polignac number, because 680886229 - 2⁵ = 680886197 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 (680586229) 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, 538899 + ... + 540160.

It is an arithmetic number, because the mean of its divisors is an integer number (170491480).

Almost surely, 2^680886229 is an apocalyptic number.

It is an amenable number.

680886229 is a deficient number, since it is larger than the sum of its proper divisors (1079691).

680886229 is a wasteful number, since it uses less digits than its factorization.

680886229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079690.

The product of its (nonzero) digits is 663552, while the sum is 49.

The square root of 680886229 is about 26093.7967532515. The cubic root of 680886229 is about 879.7477880007.

The spelling of 680886229 in words is "six hundred eighty million, eight hundred eighty-six thousand, two hundred twenty-nine".