6777774871 has 8 divisors (see below), whose sum is σ = 7753713440. Its totient is φ = 5803757568.

The previous prime is 6777774851. The next prime is 6777774893. The reversal of 6777774871 is 1784777776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6777774871 - 2²⁹ = 6240903959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6777774851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472746 + ... + 486871.

It is an arithmetic number, because the mean of its divisors is an integer number (969214180).

Almost surely, 2^6777774871 is an apocalyptic number.

6777774871 is a deficient number, since it is larger than the sum of its proper divisors (975938569).

6777774871 is a wasteful number, since it uses less digits than its factorization.

6777774871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960633.

The product of its digits is 22588608, while the sum is 61.

The square root of 6777774871 is about 82327.2425810558. The cubic root of 6777774871 is about 1892.4701864079.

The spelling of 6777774871 in words is "six billion, seven hundred seventy-seven million, seven hundred seventy-four thousand, eight hundred seventy-one".