6774678672 has 40 divisors (see below), whose sum is σ = 17541912960. Its totient is φ = 2252979840.

The previous prime is 6774678667. The next prime is 6774678689. The reversal of 6774678672 is 2768764776.

It is a super-2 number, since 2×6774678672² = 91792542217703367168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143047 + ... + 184422.

It is an arithmetic number, because the mean of its divisors is an integer number (438547824).

Almost surely, 2^6774678672 is an apocalyptic number.

It is an amenable number.

6774678672 is an abundant number, since it is smaller than the sum of its proper divisors (10767234288).

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

6774678672 is a wasteful number, since it uses less digits than its factorization.

6774678672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327911 (or 327905 counting only the distinct ones).

The product of its digits is 33191424, while the sum is 60.

The square root of 6774678672 is about 82308.4362140358. The cubic root of 6774678672 is about 1892.1819720175.

The spelling of 6774678672 in words is "six billion, seven hundred seventy-four million, six hundred seventy-eight thousand, six hundred seventy-two".