475331665 has 8 divisors (see below), whose sum is σ = 570515688. Its totient is φ = 380186880.

The previous prime is 475331657. The next prime is 475331677. The reversal of 475331665 is 566133574.

It can be written as a sum of positive squares in 4 ways, for example, as 100560784 + 374770881 = 10028^2 + 19359^2 .

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

It is not a de Polignac number, because 475331665 - 2³ = 475331657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38335 + ... + 49195.

It is an arithmetic number, because the mean of its divisors is an integer number (71314461).

Almost surely, 2^475331665 is an apocalyptic number.

It is an amenable number.

475331665 is a deficient number, since it is larger than the sum of its proper divisors (95184023).

475331665 is a wasteful number, since it uses less digits than its factorization.

475331665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19619.

The product of its digits is 226800, while the sum is 40.

The square root of 475331665 is about 21802.1023068877. The cubic root of 475331665 is about 780.4269331612.

The spelling of 475331665 in words is "four hundred seventy-five million, three hundred thirty-one thousand, six hundred sixty-five".