475784287 has 8 divisors (see below), whose sum is σ = 549569232. Its totient is φ = 407088000.

The previous prime is 475784273. The next prime is 475784333. The reversal of 475784287 is 782487574.

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

It is not a de Polignac number, because 475784287 - 2⁷ = 475784159 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 (475784227) 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, 1271964 + ... + 1272337.

It is an arithmetic number, because the mean of its divisors is an integer number (68696154).

Almost surely, 2^475784287 is an apocalyptic number.

475784287 is a deficient number, since it is larger than the sum of its proper divisors (73784945).

475784287 is a wasteful number, since it uses less digits than its factorization.

475784287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544329.

The product of its digits is 3512320, while the sum is 52.

The square root of 475784287 is about 21812.4800744895. The cubic root of 475784287 is about 780.6745682085.

The spelling of 475784287 in words is "four hundred seventy-five million, seven hundred eighty-four thousand, two hundred eighty-seven".