475128179 has 2 divisors, whose sum is σ = 475128180. Its totient is φ = 475128178.

The previous prime is 475128169. The next prime is 475128187. The reversal of 475128179 is 971821574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 475128179 - 2⁴ = 475128163 is a prime.

It is not a weakly prime, because it can be changed into another prime (475128119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237564089 + 237564090.

It is an arithmetic number, because the mean of its divisors is an integer number (237564090).

Almost surely, 2^475128179 is an apocalyptic number.

475128179 is a deficient number, since it is larger than the sum of its proper divisors (1).

475128179 is an equidigital number, since it uses as much as digits as its factorization.

475128179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 44.

The square root of 475128179 is about 21797.4351472828. The cubic root of 475128179 is about 780.3155522503.

The spelling of 475128179 in words is "four hundred seventy-five million, one hundred twenty-eight thousand, one hundred seventy-nine".