28070375171 has 2 divisors, whose sum is σ = 28070375172. Its totient is φ = 28070375170.

The previous prime is 28070375143. The next prime is 28070375183. The reversal of 28070375171 is 17157307082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28070375171 - 2²² = 28066180867 is a prime.

It is not a weakly prime, because it can be changed into another prime (28070375111) 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, 14035187585 + 14035187586.

It is an arithmetic number, because the mean of its divisors is an integer number (14035187586).

Almost surely, 2^28070375171 is an apocalyptic number.

28070375171 is a deficient number, since it is larger than the sum of its proper divisors (1).

28070375171 is an equidigital number, since it uses as much as digits as its factorization.

28070375171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82320, while the sum is 41.

The spelling of 28070375171 in words is "twenty-eight billion, seventy million, three hundred seventy-five thousand, one hundred seventy-one".