2728705859 has 12 divisors (see below), whose sum is σ = 3059414568. Its totient is φ = 2413584000.

The previous prime is 2728705831. The next prime is 2728705873. The reversal of 2728705859 is 9585078272.

It is a happy number.

2728705859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2728705859 - 2¹² = 2728701763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2728705859.

It is not an unprimeable number, because it can be changed into a prime (2728705829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75542 + ... + 105659.

It is an arithmetic number, because the mean of its divisors is an integer number (254951214).

Almost surely, 2^2728705859 is an apocalyptic number.

2728705859 is a deficient number, since it is larger than the sum of its proper divisors (330708709).

2728705859 is a wasteful number, since it uses less digits than its factorization.

2728705859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181286 (or 181249 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 53.

The square root of 2728705859 is about 52237.0161762710. The cubic root of 2728705859 is about 1397.3941081415.

The spelling of 2728705859 in words is "two billion, seven hundred twenty-eight million, seven hundred five thousand, eight hundred fifty-nine".