680051228 has 12 divisors (see below), whose sum is σ = 1210261080. Its totient is φ = 334262352.

The previous prime is 680051227. The next prime is 680051263. The reversal of 680051228 is 822150086.

It is a junction number, because it is equal to n+sod(n) for n = 680051194 and 680051203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680051227) 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, 1440551 + ... + 1441022.

It is an arithmetic number, because the mean of its divisors is an integer number (100855090).

Almost surely, 2^680051228 is an apocalyptic number.

It is an amenable number.

680051228 is a deficient number, since it is larger than the sum of its proper divisors (530209852).

680051228 is a wasteful number, since it uses less digits than its factorization.

680051228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881636 (or 2881634 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 680051228 is about 26077.7918543729. The cubic root of 680051228 is about 879.3880163076.

The spelling of 680051228 in words is "six hundred eighty million, fifty-one thousand, two hundred twenty-eight".