475247951868 has 24 divisors (see below), whose sum is σ = 1124102463568. Its totient is φ = 156245901696.

The previous prime is 475247951851. The next prime is 475247951869. The reversal of 475247951868 is 868159742574.

It is a junction number, because it is equal to n+sod(n) for n = 475247951799 and 475247951808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475247951869) 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, 271259371 + ... + 271261122.

Almost surely, 2^475247951868 is an apocalyptic number.

It is an amenable number.

475247951868 is an abundant number, since it is smaller than the sum of its proper divisors (648854511700).

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

475247951868 is a wasteful number, since it uses less digits than its factorization.

475247951868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542520573 (or 542520571 counting only the distinct ones).

The product of its digits is 135475200, while the sum is 66.

The spelling of 475247951868 in words is "four hundred seventy-five billion, two hundred forty-seven million, nine hundred fifty-one thousand, eight hundred sixty-eight".