28317882041 has 2 divisors, whose sum is σ = 28317882042. Its totient is φ = 28317882040.

The previous prime is 28317882029. The next prime is 28317882101. The reversal of 28317882041 is 14028871382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28292922025 + 24960016 = 168205^2 + 4996^2 .

It is a cyclic number.

It is not a de Polignac number, because 28317882041 - 2¹⁰ = 28317881017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28317881983 and 28317882001.

It is not a weakly prime, because it can be changed into another prime (28317882001) 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 as a sum of consecutive naturals, namely, 14158941020 + 14158941021.

It is an arithmetic number, because the mean of its divisors is an integer number (14158941021).

Almost surely, 2^28317882041 is an apocalyptic number.

It is an amenable number.

28317882041 is a deficient number, since it is larger than the sum of its proper divisors (1).

28317882041 is an equidigital number, since it uses as much as digits as its factorization.

28317882041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172032, while the sum is 44.

The spelling of 28317882041 in words is "twenty-eight billion, three hundred seventeen million, eight hundred eighty-two thousand, forty-one".