2804578028 has 12 divisors (see below), whose sum is σ = 5609156112. Its totient is φ = 1201962000.

The previous prime is 2804578027. The next prime is 2804578037. The reversal of 2804578028 is 8208754082.

2804578028 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2804578028.

It is not an unprimeable number, because it can be changed into a prime (2804578027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50081723 + ... + 50081778.

It is an arithmetic number, because the mean of its divisors is an integer number (467429676).

Almost surely, 2^2804578028 is an apocalyptic number.

2804578028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2804578028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2804578028 is a wasteful number, since it uses less digits than its factorization.

2804578028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100163512 (or 100163510 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 44.

The square root of 2804578028 is about 52958.2668523055. The cubic root of 2804578028 is about 1410.2274884029.

The spelling of 2804578028 in words is "two billion, eight hundred four million, five hundred seventy-eight thousand, twenty-eight".