471785347 has 4 divisors (see below), whose sum is σ = 514674936. Its totient is φ = 428895760.

The previous prime is 471785341. The next prime is 471785387. The reversal of 471785347 is 743587174.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-471785347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 471785297 and 471785306.

It is not an unprimeable number, because it can be changed into a prime (471785341) 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 3 ways as a sum of consecutive naturals, for example, 21444778 + ... + 21444799.

It is an arithmetic number, because the mean of its divisors is an integer number (128668734).

Almost surely, 2^471785347 is an apocalyptic number.

471785347 is a deficient number, since it is larger than the sum of its proper divisors (42889589).

471785347 is a wasteful number, since it uses less digits than its factorization.

471785347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42889588.

The product of its digits is 658560, while the sum is 46.

The square root of 471785347 is about 21720.6203180296. The cubic root of 471785347 is about 778.4812365549.

It can be divided in two parts, 47178 and 5347, that added together give a palindrome (52525).

The spelling of 471785347 in words is "four hundred seventy-one million, seven hundred eighty-five thousand, three hundred forty-seven".