28055885008 has 10 divisors (see below), whose sum is σ = 54358277234. Its totient is φ = 14027942496.

The previous prime is 28055885003. The next prime is 28055885041. The reversal of 28055885008 is 80058855082.

It can be written as a sum of positive squares in only one way, i.e., 25706350224 + 2349534784 = 160332^2 + 48472^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28055885003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 876746391 + ... + 876746422.

Almost surely, 2^28055885008 is an apocalyptic number.

It is an amenable number.

28055885008 is a deficient number, since it is larger than the sum of its proper divisors (26302392226).

28055885008 is a wasteful number, since it uses less digits than its factorization.

28055885008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753492821 (or 1753492815 counting only the distinct ones).

The product of its (nonzero) digits is 1024000, while the sum is 49.

The spelling of 28055885008 in words is "twenty-eight billion, fifty-five million, eight hundred eighty-five thousand, eight".