678580112 has 40 divisors (see below), whose sum is σ = 1520694336. Its totient is φ = 287312256.

The previous prime is 678580073. The next prime is 678580129. The reversal of 678580112 is 211085876.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27203 + ... + 45794.

Almost surely, 2^678580112 is an apocalyptic number.

It is an amenable number.

678580112 is an abundant number, since it is smaller than the sum of its proper divisors (842114224).

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

678580112 is a wasteful number, since it uses less digits than its factorization.

678580112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73095 (or 73089 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 678580112 is about 26049.5702843636. The cubic root of 678580112 is about 878.7534485477.

The spelling of 678580112 in words is "six hundred seventy-eight million, five hundred eighty thousand, one hundred twelve".