28708484711129 has 2 divisors, whose sum is σ = 28708484711130. Its totient is φ = 28708484711128.

The previous prime is 28708484711063. The next prime is 28708484711197. The reversal of 28708484711129 is 92111748480782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28299984771529 + 408499939600 = 5319773^2 + 639140^2 .

It is a cyclic number.

It is not a de Polignac number, because 28708484711129 - 2¹² = 28708484707033 is a prime.

It is not a weakly prime, because it can be changed into another prime (28708487711129) 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, 14354242355564 + 14354242355565.

It is an arithmetic number, because the mean of its divisors is an integer number (14354242355565).

Almost surely, 2^{28708484711129} is an apocalyptic number.

It is an amenable number.

28708484711129 is a deficient number, since it is larger than the sum of its proper divisors (1).

28708484711129 is an equidigital number, since it uses as much as digits as its factorization.

28708484711129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14450688, while the sum is 62.

The spelling of 28708484711129 in words is "twenty-eight trillion, seven hundred eight billion, four hundred eighty-four million, seven hundred eleven thousand, one hundred twenty-nine".