2855884728 has 32 divisors (see below), whose sum is σ = 7170368400. Its totient is φ = 947874048.

The previous prime is 2855884711. The next prime is 2855884729. The reversal of 2855884728 is 8274885582.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855884729) 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 7 ways as a sum of consecutive naturals, for example, 249763 + ... + 260946.

Almost surely, 2^2855884728 is an apocalyptic number.

It is an amenable number.

2855884728 is an abundant number, since it is smaller than the sum of its proper divisors (4314483672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2855884728 is a wasteful number, since it uses less digits than its factorization.

2855884728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510951 (or 510947 counting only the distinct ones).

The product of its digits is 11468800, while the sum is 57.

The square root of 2855884728 is about 53440.4783661224. The cubic root of 2855884728 is about 1418.7751005463.

The spelling of 2855884728 in words is "two billion, eight hundred fifty-five million, eight hundred eighty-four thousand, seven hundred twenty-eight".