28327502171 has 2 divisors, whose sum is σ = 28327502172. Its totient is φ = 28327502170.

The previous prime is 28327502107. The next prime is 28327502243. The reversal of 28327502171 is 17120572382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28327502171 - 2⁶ = 28327502107 is a prime.

It is not a weakly prime, because it can be changed into another prime (28327504171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14163751085 + 14163751086.

It is an arithmetic number, because the mean of its divisors is an integer number (14163751086).

Almost surely, 2^28327502171 is an apocalyptic number.

28327502171 is a deficient number, since it is larger than the sum of its proper divisors (1).

28327502171 is an equidigital number, since it uses as much as digits as its factorization.

28327502171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 38.

The spelling of 28327502171 in words is "twenty-eight billion, three hundred twenty-seven million, five hundred two thousand, one hundred seventy-one".