2855728099 has 16 divisors (see below), whose sum is σ = 3312071872. Its totient is φ = 2411555328.

The previous prime is 2855728087. The next prime is 2855728151. The reversal of 2855728099 is 9908275582.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2855728099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2855728019) 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 15 ways as a sum of consecutive naturals, for example, 555967 + ... + 561079.

It is an arithmetic number, because the mean of its divisors is an integer number (207004492).

Almost surely, 2^2855728099 is an apocalyptic number.

2855728099 is a deficient number, since it is larger than the sum of its proper divisors (456343773).

2855728099 is a wasteful number, since it uses less digits than its factorization.

2855728099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6286.

The product of its (nonzero) digits is 3628800, while the sum is 55.

The square root of 2855728099 is about 53439.0128932038. The cubic root of 2855728099 is about 1418.7491628295.

The spelling of 2855728099 in words is "two billion, eight hundred fifty-five million, seven hundred twenty-eight thousand, ninety-nine".