471808881 has 20 divisors (see below), whose sum is σ = 706072752. Its totient is φ = 313971768.

The previous prime is 471808877. The next prime is 471808919. The reversal of 471808881 is 188808174.

It is not a de Polignac number, because 471808881 - 2² = 471808877 is a prime.

It is a super-2 number, since 2×471808881² = 445207240380944322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (471808811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 42586 + ... + 52508.

Almost surely, 2^471808881 is an apocalyptic number.

It is an amenable number.

471808881 is a deficient number, since it is larger than the sum of its proper divisors (234263871).

471808881 is an equidigital number, since it uses as much as digits as its factorization.

471808881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10522 (or 10513 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 45.

The square root of 471808881 is about 21721.1620545495. The cubic root of 471808881 is about 778.4941806285.

The spelling of 471808881 in words is "four hundred seventy-one million, eight hundred eight thousand, eight hundred eighty-one".