475787688 has 32 divisors (see below), whose sum is σ = 1230487200. Its totient is φ = 153126848.

The previous prime is 475787639. The next prime is 475787693. The reversal of 475787688 is 886787574.

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, 341106 + ... + 342497.

It is an arithmetic number, because the mean of its divisors is an integer number (38452725).

Almost surely, 2^475787688 is an apocalyptic number.

It is an amenable number.

475787688 is an abundant number, since it is smaller than the sum of its proper divisors (754699512).

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

475787688 is a wasteful number, since it uses less digits than its factorization.

475787688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683641 (or 683637 counting only the distinct ones).

The product of its digits is 21073920, while the sum is 60.

The square root of 475787688 is about 21812.5580343068. The cubic root of 475787688 is about 780.6764283427.

The spelling of 475787688 in words is "four hundred seventy-five million, seven hundred eighty-seven thousand, six hundred eighty-eight".