678760012 has 12 divisors (see below), whose sum is σ = 1357520080. Its totient is φ = 290897136.

The previous prime is 678760007. The next prime is 678760039. The reversal of 678760012 is 210067876.

It is a happy number.

678760012 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 12120687 + ... + 12120742.

Almost surely, 2^678760012 is an apocalyptic number.

It is an amenable number.

678760012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

678760012 is a wasteful number, since it uses less digits than its factorization.

678760012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24241440 (or 24241438 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 678760012 is about 26053.0230875421. The cubic root of 678760012 is about 878.8310978305.

The spelling of 678760012 in words is "six hundred seventy-eight million, seven hundred sixty thousand, twelve".