678373284 has 12 divisors (see below), whose sum is σ = 1582871024. Its totient is φ = 226124424.

The previous prime is 678373211. The next prime is 678373301. The reversal of 678373284 is 482373876.

678373284 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28265542 + ... + 28265565.

Almost surely, 2^678373284 is an apocalyptic number.

It is an amenable number.

678373284 is an abundant number, since it is smaller than the sum of its proper divisors (904497740).

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

678373284 is a wasteful number, since it uses less digits than its factorization.

678373284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56531114 (or 56531112 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 48.

The square root of 678373284 is about 26045.6000890745. The cubic root of 678373284 is about 878.6641595142.

The spelling of 678373284 in words is "six hundred seventy-eight million, three hundred seventy-three thousand, two hundred eighty-four".