6678951804 has 36 divisors (see below), whose sum is σ = 19294750384. Its totient is φ = 1908271872.

The previous prime is 6678951803. The next prime is 6678951809. The reversal of 6678951804 is 4081598766.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6678951803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13251637 + ... + 13252140.

Almost surely, 2^6678951804 is an apocalyptic number.

It is an amenable number.

6678951804 is an abundant number, since it is smaller than the sum of its proper divisors (12615798580).

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

6678951804 is a wasteful number, since it uses less digits than its factorization.

6678951804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26503794 (or 26503789 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 6678951804 is about 81724.8542611120. The cubic root of 6678951804 is about 1883.2274240458.

The spelling of 6678951804 in words is "six billion, six hundred seventy-eight million, nine hundred fifty-one thousand, eight hundred four".