28550034547 has 2 divisors, whose sum is σ = 28550034548. Its totient is φ = 28550034546.

The previous prime is 28550034523. The next prime is 28550034553. The reversal of 28550034547 is 74543005582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28550034547 - 2³¹ = 26402550899 is a prime.

It is not a weakly prime, because it can be changed into another prime (28550034517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14275017273 + 14275017274.

It is an arithmetic number, because the mean of its divisors is an integer number (14275017274).

Almost surely, 2^28550034547 is an apocalyptic number.

28550034547 is a deficient number, since it is larger than the sum of its proper divisors (1).

28550034547 is an equidigital number, since it uses as much as digits as its factorization.

28550034547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 28550034547 in words is "twenty-eight billion, five hundred fifty million, thirty-four thousand, five hundred forty-seven".