28183515665771 has 2 divisors, whose sum is σ = 28183515665772. Its totient is φ = 28183515665770.

The previous prime is 28183515665759. The next prime is 28183515665779. The reversal of 28183515665771 is 17756651538182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28183515665771 - 2¹⁰ = 28183515664747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28183515665698 and 28183515665707.

It is not a weakly prime, because it can be changed into another prime (28183515665779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14091757832885 + 14091757832886.

It is an arithmetic number, because the mean of its divisors is an integer number (14091757832886).

Almost surely, 2^{28183515665771} is an apocalyptic number.

28183515665771 is a deficient number, since it is larger than the sum of its proper divisors (1).

28183515665771 is an equidigital number, since it uses as much as digits as its factorization.

28183515665771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672000, while the sum is 65.

The spelling of 28183515665771 in words is "twenty-eight trillion, one hundred eighty-three billion, five hundred fifteen million, six hundred sixty-five thousand, seven hundred seventy-one".