475573987 has 16 divisors (see below), whose sum is σ = 577460160. Its totient is φ = 382935168.

The previous prime is 475573951. The next prime is 475573993. The reversal of 475573987 is 789375574.

It is a happy number.

It is not a de Polignac number, because 475573987 - 2¹¹ = 475571939 is a prime.

It is a super-2 number, since 2×475573987² = 452341234222152338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (475573927) 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, 24148 + ... + 39169.

It is an arithmetic number, because the mean of its divisors is an integer number (36091260).

Almost surely, 2^475573987 is an apocalyptic number.

475573987 is a deficient number, since it is larger than the sum of its proper divisors (101886173).

475573987 is a wasteful number, since it uses less digits than its factorization.

475573987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63390.

The product of its digits is 7408800, while the sum is 55.

The square root of 475573987 is about 21807.6589069070. The cubic root of 475573987 is about 780.5595300416.

The spelling of 475573987 in words is "four hundred seventy-five million, five hundred seventy-three thousand, nine hundred eighty-seven".