28605422063 has 2 divisors, whose sum is σ = 28605422064. Its totient is φ = 28605422062.

The previous prime is 28605422059. The next prime is 28605422107. The reversal of 28605422063 is 36022450682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28605422063 - 2² = 28605422059 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28605422003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14302711031 + 14302711032.

It is an arithmetic number, because the mean of its divisors is an integer number (14302711032).

Almost surely, 2^28605422063 is an apocalyptic number.

28605422063 is a deficient number, since it is larger than the sum of its proper divisors (1).

28605422063 is an equidigital number, since it uses as much as digits as its factorization.

28605422063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 28605422063 in words is "twenty-eight billion, six hundred five million, four hundred twenty-two thousand, sixty-three".