678629203 has 32 divisors (see below), whose sum is σ = 819072000. Its totient is φ = 550053504.

The previous prime is 678629177. The next prime is 678629221. The reversal of 678629203 is 302926876.

678629203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-678629203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 678629203.

It is not an unprimeable number, because it can be changed into a prime (678629233) 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, 3410098 + ... + 3410296.

It is an arithmetic number, because the mean of its divisors is an integer number (25596000).

Almost surely, 2^678629203 is an apocalyptic number.

678629203 is a deficient number, since it is larger than the sum of its proper divisors (140442797).

678629203 is a wasteful number, since it uses less digits than its factorization.

678629203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 678629203 is about 26050.5125285473. The cubic root of 678629203 is about 878.7746387970.

The spelling of 678629203 in words is "six hundred seventy-eight million, six hundred twenty-nine thousand, two hundred three".