475687688 has 48 divisors (see below), whose sum is σ = 1065607020. Its totient is φ = 198350208.

The previous prime is 475687687. The next prime is 475687703. The reversal of 475687688 is 886786574.

It can be written as a sum of positive squares in 2 ways, for example, as 329712964 + 145974724 = 18158^2 + 12082^2 .

It is not an unprimeable number, because it can be changed into a prime (475687687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1895 + ... + 30902.

Almost surely, 2^475687688 is an apocalyptic number.

It is an amenable number.

475687688 is an abundant number, since it is smaller than the sum of its proper divisors (589919332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

475687688 is a wasteful number, since it uses less digits than its factorization.

475687688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32854 (or 32843 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 59.

The square root of 475687688 is about 21810.2656563372. The cubic root of 475687688 is about 780.6217308976.

The spelling of 475687688 in words is "four hundred seventy-five million, six hundred eighty-seven thousand, six hundred eighty-eight".