2728065776 has 20 divisors (see below), whose sum is σ = 5294269032. Its totient is φ = 1361802816.

The previous prime is 2728065773. The next prime is 2728065787. The reversal of 2728065776 is 6775608272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728065773) by changing a digit.

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, 129266 + ... + 148881.

Almost surely, 2^2728065776 is an apocalyptic number.

It is an amenable number.

2728065776 is a deficient number, since it is larger than the sum of its proper divisors (2566203256).

2728065776 is a wasteful number, since it uses less digits than its factorization.

2728065776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278768 (or 278762 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 50.

The square root of 2728065776 is about 52230.8890983104. The cubic root of 2728065776 is about 1397.2848355648.

The spelling of 2728065776 in words is "two billion, seven hundred twenty-eight million, sixty-five thousand, seven hundred seventy-six".