28300057547 has 4 divisors (see below), whose sum is σ = 29789534280. Its totient is φ = 26810580816.

The previous prime is 28300057523. The next prime is 28300057559. The reversal of 28300057547 is 74575000382.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28300057547 - 2¹⁴ = 28300041163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28300057517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 744738338 + ... + 744738375.

It is an arithmetic number, because the mean of its divisors is an integer number (7447383570).

Almost surely, 2^28300057547 is an apocalyptic number.

28300057547 is a deficient number, since it is larger than the sum of its proper divisors (1489476733).

28300057547 is a wasteful number, since it uses less digits than its factorization.

28300057547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489476732.

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 28300057547 in words is "twenty-eight billion, three hundred million, fifty-seven thousand, five hundred forty-seven".