678793044 has 12 divisors (see below), whose sum is σ = 1583850464. Its totient is φ = 226264344.

The previous prime is 678793001. The next prime is 678793061. The reversal of 678793044 is 440397876.

It is a happy number.

678793044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 678792984 and 678793002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28283032 + ... + 28283055.

Almost surely, 2^678793044 is an apocalyptic number.

It is an amenable number.

678793044 is an abundant number, since it is smaller than the sum of its proper divisors (905057420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

678793044 is a wasteful number, since it uses less digits than its factorization.

678793044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56566094 (or 56566092 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 678793044 is about 26053.6570177778. The cubic root of 678793044 is about 878.8453537666.

The spelling of 678793044 in words is "six hundred seventy-eight million, seven hundred ninety-three thousand, forty-four".