28558368168871 has 2 divisors, whose sum is σ = 28558368168872. Its totient is φ = 28558368168870.

The previous prime is 28558368168851. The next prime is 28558368168907. The reversal of 28558368168871 is 17886186385582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28558368168871 - 2²³ = 28558359780263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28558368168851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14279184084435 + 14279184084436.

It is an arithmetic number, because the mean of its divisors is an integer number (14279184084436).

Almost surely, 2^{28558368168871} is an apocalyptic number.

28558368168871 is a deficient number, since it is larger than the sum of its proper divisors (1).

28558368168871 is an equidigital number, since it uses as much as digits as its factorization.

28558368168871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1238630400, while the sum is 76.

The spelling of 28558368168871 in words is "twenty-eight trillion, five hundred fifty-eight billion, three hundred sixty-eight million, one hundred sixty-eight thousand, eight hundred seventy-one".