28547148850 has 144 divisors (see below), whose sum is σ = 62974734984. Its totient is φ = 9583974400.

The previous prime is 28547148829. The next prime is 28547148857. The reversal of 28547148850 is 5884174582.

It can be written as a sum of positive squares in 12 ways, for example, as 12155724009 + 16391424841 = 110253^2 + 128029^2 .

It is not an unprimeable number, because it can be changed into a prime (28547148857) 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 71 ways as a sum of consecutive naturals, for example, 5448432 + ... + 5453668.

Almost surely, 2^28547148850 is an apocalyptic number.

28547148850 is an abundant number, since it is smaller than the sum of its proper divisors (34427586134).

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

28547148850 is a wasteful number, since it uses less digits than its factorization.

28547148850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5341 (or 5325 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 52.

The spelling of 28547148850 in words is "twenty-eight billion, five hundred forty-seven million, one hundred forty-eight thousand, eight hundred fifty".