475808971 has 16 divisors (see below), whose sum is σ = 550424160. Its totient is φ = 406497280.

The previous prime is 475808947. The next prime is 475809043. The reversal of 475808971 is 179808574.

It is a cyclic number.

It is not a de Polignac number, because 475808971 - 2⁵ = 475808939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (475808911) 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, 158775 + ... + 161743.

It is an arithmetic number, because the mean of its divisors is an integer number (34401510).

Almost surely, 2^475808971 is an apocalyptic number.

475808971 is a deficient number, since it is larger than the sum of its proper divisors (74615189).

475808971 is a wasteful number, since it uses less digits than its factorization.

475808971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854.

The product of its (nonzero) digits is 564480, while the sum is 49.

The square root of 475808971 is about 21813.0458900173. The cubic root of 475808971 is about 780.6880686108.

The spelling of 475808971 in words is "four hundred seventy-five million, eight hundred eight thousand, nine hundred seventy-one".