471905897 has 8 divisors (see below), whose sum is σ = 483791616. Its totient is φ = 460097152.

The previous prime is 471905891. The next prime is 471905899. The reversal of 471905897 is 798509174.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-471905897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (471905891) 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 7 ways as a sum of consecutive naturals, for example, 6728 + ... + 31449.

It is an arithmetic number, because the mean of its divisors is an integer number (60473952).

Almost surely, 2^471905897 is an apocalyptic number.

471905897 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

471905897 is a deficient number, since it is larger than the sum of its proper divisors (11885719).

471905897 is a wasteful number, since it uses less digits than its factorization.

471905897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38487.

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 471905897 is about 21723.3951536126. The cubic root of 471905897 is about 778.5475364246.

The spelling of 471905897 in words is "four hundred seventy-one million, nine hundred five thousand, eight hundred ninety-seven".