475128771 has 16 divisors (see below), whose sum is σ = 682671360. Its totient is φ = 292200480.

The previous prime is 475128761. The next prime is 475128791. The reversal of 475128771 is 177821574.

It is not a de Polignac number, because 475128771 - 2⁵ = 475128739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (475128701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82186 + ... + 87776.

It is an arithmetic number, because the mean of its divisors is an integer number (42666960).

Almost surely, 2^475128771 is an apocalyptic number.

475128771 is a deficient number, since it is larger than the sum of its proper divisors (207542589).

475128771 is a wasteful number, since it uses less digits than its factorization.

475128771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7786.

The product of its digits is 109760, while the sum is 42.

The square root of 475128771 is about 21797.4487268579. The cubic root of 475128771 is about 780.3158763359.

The spelling of 475128771 in words is "four hundred seventy-five million, one hundred twenty-eight thousand, seven hundred seventy-one".