678386996 has 12 divisors (see below), whose sum is σ = 1356774048. Its totient is φ = 290737272.

The previous prime is 678386959. The next prime is 678387013. The reversal of 678386996 is 699683876.

678386996 is an admirable number.

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, 12114026 + ... + 12114081.

It is an arithmetic number, because the mean of its divisors is an integer number (113064504).

Almost surely, 2^678386996 is an apocalyptic number.

It is an amenable number.

678386996 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.

678386996 is a wasteful number, since it uses less digits than its factorization.

678386996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24228118 (or 24228116 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 62.

The square root of 678386996 is about 26045.8633183851. The cubic root of 678386996 is about 878.6700796382.

The spelling of 678386996 in words is "six hundred seventy-eight million, three hundred eighty-six thousand, nine hundred ninety-six".