28086389147 has 2 divisors, whose sum is σ = 28086389148. Its totient is φ = 28086389146.

The previous prime is 28086389131. The next prime is 28086389153. The reversal of 28086389147 is 74198368082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28086389147 - 2⁴ = 28086389131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28086389092 and 28086389101.

It is not a weakly prime, because it can be changed into another prime (28086389047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14043194573 + 14043194574.

It is an arithmetic number, because the mean of its divisors is an integer number (14043194574).

Almost surely, 2^28086389147 is an apocalyptic number.

28086389147 is a deficient number, since it is larger than the sum of its proper divisors (1).

28086389147 is an equidigital number, since it uses as much as digits as its factorization.

28086389147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4644864, while the sum is 56.

The spelling of 28086389147 in words is "twenty-eight billion, eighty-six million, three hundred eighty-nine thousand, one hundred forty-seven".