28398476147 has 2 divisors, whose sum is σ = 28398476148. Its totient is φ = 28398476146.

The previous prime is 28398476087. The next prime is 28398476203. The reversal of 28398476147 is 74167489382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28398476147 - 2⁶ = 28398476083 is a prime.

It is not a weakly prime, because it can be changed into another prime (28398476747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14199238073 + 14199238074.

It is an arithmetic number, because the mean of its divisors is an integer number (14199238074).

Almost surely, 2^28398476147 is an apocalyptic number.

28398476147 is a deficient number, since it is larger than the sum of its proper divisors (1).

28398476147 is an equidigital number, since it uses as much as digits as its factorization.

28398476147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16257024, while the sum is 59.

The spelling of 28398476147 in words is "twenty-eight billion, three hundred ninety-eight million, four hundred seventy-six thousand, one hundred forty-seven".