475855813 has 8 divisors (see below), whose sum is σ = 480594816. Its totient is φ = 471138000.

The previous prime is 475855811. The next prime is 475855837. The reversal of 475855813 is 318558574.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 475855813 - 2¹ = 475855811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475855811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41895 + ... + 52027.

It is an arithmetic number, because the mean of its divisors is an integer number (60074352).

Almost surely, 2^475855813 is an apocalyptic number.

It is an amenable number.

475855813 is a deficient number, since it is larger than the sum of its proper divisors (4739003).

475855813 is a wasteful number, since it uses less digits than its factorization.

475855813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10595.

The product of its digits is 672000, while the sum is 46.

The square root of 475855813 is about 21814.1195788416. The cubic root of 475855813 is about 780.7136865883.

The spelling of 475855813 in words is "four hundred seventy-five million, eight hundred fifty-five thousand, eight hundred thirteen".