28050005300 has 18 divisors (see below), whose sum is σ = 60868511718. Its totient is φ = 11220002080.

The previous prime is 28050005297. The next prime is 28050005303. The reversal of 28050005300 is 350005082.

It is an interprime number because it is at equal distance from previous prime (28050005297) and next prime (28050005303).

It can be written as a sum of positive squares in 3 ways, for example, as 138956944 + 27911048356 = 11788^2 + 167066^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28050005303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140249927 + ... + 140250126.

Almost surely, 2^28050005300 is an apocalyptic number.

28050005300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28050005300 is an abundant number, since it is smaller than the sum of its proper divisors (32818506418).

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

28050005300 is a wasteful number, since it uses less digits than its factorization.

28050005300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280500067 (or 280500060 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The spelling of 28050005300 in words is "twenty-eight billion, fifty million, five thousand, three hundred".