28616086133 has 2 divisors, whose sum is σ = 28616086134. Its totient is φ = 28616086132.

The previous prime is 28616086123. The next prime is 28616086141. The reversal of 28616086133 is 33168061682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27113903569 + 1502182564 = 164663^2 + 38758^2 .

It is a cyclic number.

It is not a de Polignac number, because 28616086133 - 2⁶ = 28616086069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28616086123) 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, 14308043066 + 14308043067.

It is an arithmetic number, because the mean of its divisors is an integer number (14308043067).

Almost surely, 2^28616086133 is an apocalyptic number.

It is an amenable number.

28616086133 is a deficient number, since it is larger than the sum of its proper divisors (1).

28616086133 is an equidigital number, since it uses as much as digits as its factorization.

28616086133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 28616086133 in words is "twenty-eight billion, six hundred sixteen million, eighty-six thousand, one hundred thirty-three".