475930885 has 4 divisors (see below), whose sum is σ = 571117068. Its totient is φ = 380744704.

The previous prime is 475930877. The next prime is 475930901. The reversal of 475930885 is 588039574.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 125417601 + 350513284 = 11199^2 + 18722^2 .

It is a cyclic number.

It is not a de Polignac number, because 475930885 - 2³ = 475930877 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47593084 + ... + 47593093.

It is an arithmetic number, because the mean of its divisors is an integer number (142779267).

Almost surely, 2^475930885 is an apocalyptic number.

It is an amenable number.

475930885 is a deficient number, since it is larger than the sum of its proper divisors (95186183).

475930885 is an equidigital number, since it uses as much as digits as its factorization.

475930885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95186182.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The square root of 475930885 is about 21815.8402313548. The cubic root of 475930885 is about 780.7547400996.

The spelling of 475930885 in words is "four hundred seventy-five million, nine hundred thirty thousand, eight hundred eighty-five".