75480647171 has 2 divisors, whose sum is σ = 75480647172. Its totient is φ = 75480647170.

The previous prime is 75480647129. The next prime is 75480647189. The reversal of 75480647171 is 17174608457.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75480647171 - 2⁶ = 75480647107 is a prime.

It is not a weakly prime, because it can be changed into another prime (75480647191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37740323585 + 37740323586.

It is an arithmetic number, because the mean of its divisors is an integer number (37740323586).

Almost surely, 2^75480647171 is an apocalyptic number.

75480647171 is a deficient number, since it is larger than the sum of its proper divisors (1).

75480647171 is an equidigital number, since it uses as much as digits as its factorization.

75480647171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1317120, while the sum is 50.

The spelling of 75480647171 in words is "seventy-five billion, four hundred eighty million, six hundred forty-seven thousand, one hundred seventy-one".