28810223171 has 2 divisors, whose sum is σ = 28810223172. Its totient is φ = 28810223170.

The previous prime is 28810223107. The next prime is 28810223191. The reversal of 28810223171 is 17132201882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28810223171 - 2⁶ = 28810223107 is a prime.

It is not a weakly prime, because it can be changed into another prime (28810223191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14405111585 + 14405111586.

It is an arithmetic number, because the mean of its divisors is an integer number (14405111586).

Almost surely, 2^28810223171 is an apocalyptic number.

28810223171 is a deficient number, since it is larger than the sum of its proper divisors (1).

28810223171 is an equidigital number, since it uses as much as digits as its factorization.

28810223171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 35.

The spelling of 28810223171 in words is "twenty-eight billion, eight hundred ten million, two hundred twenty-three thousand, one hundred seventy-one".