28459744207 has 2 divisors, whose sum is σ = 28459744208. Its totient is φ = 28459744206.

The previous prime is 28459744189. The next prime is 28459744267. The reversal of 28459744207 is 70244795482.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28459744207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28459744267) 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, 14229872103 + 14229872104.

It is an arithmetic number, because the mean of its divisors is an integer number (14229872104).

Almost surely, 2^28459744207 is an apocalyptic number.

28459744207 is a deficient number, since it is larger than the sum of its proper divisors (1).

28459744207 is an equidigital number, since it uses as much as digits as its factorization.

28459744207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 28459744207 in words is "twenty-eight billion, four hundred fifty-nine million, seven hundred forty-four thousand, two hundred seven".