678603226 has 16 divisors (see below), whose sum is σ = 1170048384. Its totient is φ = 289147824.

The previous prime is 678603217. The next prime is 678603227. The reversal of 678603226 is 622306876.

678603226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (678603227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137670 + ... + 142513.

It is an arithmetic number, because the mean of its divisors is an integer number (73128024).

Almost surely, 2^678603226 is an apocalyptic number.

678603226 is a deficient number, since it is larger than the sum of its proper divisors (491445158).

678603226 is a wasteful number, since it uses less digits than its factorization.

678603226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280365.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 678603226 is about 26050.0139347372. The cubic root of 678603226 is about 878.7634258892.

The spelling of 678603226 in words is "six hundred seventy-eight million, six hundred three thousand, two hundred twenty-six".