678314804 has 12 divisors (see below), whose sum is σ = 1238661984. Its totient is φ = 324411384.

The previous prime is 678314803. The next prime is 678314863. The reversal of 678314804 is 408413876.

It is a super-2 number, since 2×678314804² = 920221946651116832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678314803) by changing a digit.

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, 3686402 + ... + 3686585.

It is an arithmetic number, because the mean of its divisors is an integer number (103221832).

Almost surely, 2^678314804 is an apocalyptic number.

It is an amenable number.

678314804 is a deficient number, since it is larger than the sum of its proper divisors (560347180).

678314804 is a wasteful number, since it uses less digits than its factorization.

678314804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7373014 (or 7373012 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 678314804 is about 26044.4774184471. The cubic root of 678314804 is about 878.6389100152.

The spelling of 678314804 in words is "six hundred seventy-eight million, three hundred fourteen thousand, eight hundred four".