6854772728 has 16 divisors (see below), whose sum is σ = 13529157000. Its totient is φ = 3246997536.

The previous prime is 6854772719. The next prime is 6854772767. The reversal of 6854772728 is 8272774586.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22548443 + ... + 22548746.

Almost surely, 2^6854772728 is an apocalyptic number.

It is an amenable number.

6854772728 is a deficient number, since it is larger than the sum of its proper divisors (6674384272).

6854772728 is a wasteful number, since it uses less digits than its factorization.

6854772728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45097214 (or 45097210 counting only the distinct ones).

The product of its digits is 10536960, while the sum is 56.

The square root of 6854772728 is about 82793.5548699293. The cubic root of 6854772728 is about 1899.6095899599.

The spelling of 6854772728 in words is "six billion, eight hundred fifty-four million, seven hundred seventy-two thousand, seven hundred twenty-eight".