680228427 has 32 divisors (see below), whose sum is σ = 960532992. Its totient is φ = 427353344.

The previous prime is 680228413. The next prime is 680228431. The reversal of 680228427 is 724822086.

680228427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 680228427 - 2⁶ = 680228363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (680228477) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2145673 + ... + 2145989.

It is an arithmetic number, because the mean of its divisors is an integer number (30016656).

Almost surely, 2^680228427 is an apocalyptic number.

680228427 is a deficient number, since it is larger than the sum of its proper divisors (280304565).

680228427 is a wasteful number, since it uses less digits than its factorization.

680228427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707.

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 680228427 is about 26081.1891408348. The cubic root of 680228427 is about 879.4643895464.

The spelling of 680228427 in words is "six hundred eighty million, two hundred twenty-eight thousand, four hundred twenty-seven".