678383836 has 24 divisors (see below), whose sum is σ = 1284936800. Its totient is φ = 311522112.

The previous prime is 678383833. The next prime is 678383843. The reversal of 678383836 is 638383876.

678383836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678383833) 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, 22431 + ... + 43126.

Almost surely, 2^678383836 is an apocalyptic number.

It is an amenable number.

678383836 is a deficient number, since it is larger than the sum of its proper divisors (606552964).

678383836 is a wasteful number, since it uses less digits than its factorization.

678383836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65773 (or 65771 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 52.

The square root of 678383836 is about 26045.8026560903. The cubic root of 678383836 is about 878.6687153227.

The spelling of 678383836 in words is "six hundred seventy-eight million, three hundred eighty-three thousand, eight hundred thirty-six".