678848432 has 10 divisors (see below), whose sum is σ = 1315268868. Its totient is φ = 339424208.

The previous prime is 678848431. The next prime is 678848441. The reversal of 678848432 is 234848876.

678848432 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 (678848431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21213998 + ... + 21214029.

Almost surely, 2^678848432 is an apocalyptic number.

It is an amenable number.

678848432 is a deficient number, since it is larger than the sum of its proper divisors (636420436).

678848432 is a wasteful number, since it uses less digits than its factorization.

678848432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42428035 (or 42428029 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 50.

The square root of 678848432 is about 26054.7199562766. The cubic root of 678848432 is about 878.8692570573.

The spelling of 678848432 in words is "six hundred seventy-eight million, eight hundred forty-eight thousand, four hundred thirty-two".