475663155 has 16 divisors (see below), whose sum is σ = 830248704. Its totient is φ = 230624480.

The previous prime is 475663147. The next prime is 475663159. The reversal of 475663155 is 551366574.

It is not a de Polignac number, because 475663155 - 2³ = 475663147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (475663159) 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, 1441239 + ... + 1441568.

It is an arithmetic number, because the mean of its divisors is an integer number (51890544).

Almost surely, 2^475663155 is an apocalyptic number.

475663155 is a deficient number, since it is larger than the sum of its proper divisors (354585549).

475663155 is a wasteful number, since it uses less digits than its factorization.

475663155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882826.

The product of its digits is 378000, while the sum is 42.

The square root of 475663155 is about 21809.7032304431. The cubic root of 475663155 is about 780.6083108024.

It can be divided in two parts, 47566 and 3155, that added together give a triangular number (50721 = T₃₁₈).

The spelling of 475663155 in words is "four hundred seventy-five million, six hundred sixty-three thousand, one hundred fifty-five".