28127550547 has 2 divisors, whose sum is σ = 28127550548. Its totient is φ = 28127550546.

The previous prime is 28127550527. The next prime is 28127550559. The reversal of 28127550547 is 74505572182.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28127550547 - 2¹¹ = 28127548499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28127550497 and 28127550506.

It is not a weakly prime, because it can be changed into another prime (28127550527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14063775273 + 14063775274.

It is an arithmetic number, because the mean of its divisors is an integer number (14063775274).

Almost surely, 2^28127550547 is an apocalyptic number.

28127550547 is a deficient number, since it is larger than the sum of its proper divisors (1).

28127550547 is an equidigital number, since it uses as much as digits as its factorization.

28127550547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784000, while the sum is 46.

The spelling of 28127550547 in words is "twenty-eight billion, one hundred twenty-seven million, five hundred fifty thousand, five hundred forty-seven".