475523688 has 16 divisors (see below), whose sum is σ = 1188809280. Its totient is φ = 158507888.

The previous prime is 475523681. The next prime is 475523693. The reversal of 475523688 is 886325574.

It is a super-2 number, since 2×475523688² = 452245555698242688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (475523681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9906720 + ... + 9906767.

It is an arithmetic number, because the mean of its divisors is an integer number (74300580).

Almost surely, 2^475523688 is an apocalyptic number.

It is an amenable number.

475523688 is an abundant number, since it is smaller than the sum of its proper divisors (713285592).

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

475523688 is a wasteful number, since it uses less digits than its factorization.

475523688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19813496 (or 19813492 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 48.

The square root of 475523688 is about 21806.5056347871. The cubic root of 475523688 is about 780.5320104904.

The spelling of 475523688 in words is "four hundred seventy-five million, five hundred twenty-three thousand, six hundred eighty-eight".