6804973278 has 48 divisors (see below), whose sum is σ = 15147817776. Its totient is φ = 2206538880.

The previous prime is 6804973271. The next prime is 6804973283. The reversal of 6804973278 is 8723794086.

6804973278 is a `hidden beast` number, since 6 + 80 + 497 + 3 + 2 + 78 = 666.

It is a super-2 number, since 2×6804973278² = 92615322628588130568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6804973271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242800 + ... + 269372.

It is an arithmetic number, because the mean of its divisors is an integer number (315579537).

Almost surely, 2^6804973278 is an apocalyptic number.

6804973278 is an abundant number, since it is smaller than the sum of its proper divisors (8342844498).

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

6804973278 is a wasteful number, since it uses less digits than its factorization.

6804973278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26969 (or 26966 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The square root of 6804973278 is about 82492.2619280136. The cubic root of 6804973278 is about 1894.9982273383.

The spelling of 6804973278 in words is "six billion, eight hundred four million, nine hundred seventy-three thousand, two hundred seventy-eight".