471745117 has 4 divisors (see below), whose sum is σ = 488012220. Its totient is φ = 455478016.

The previous prime is 471745067. The next prime is 471745151. The reversal of 471745117 is 711547174.

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

It can be written as a sum of positive squares in 2 ways, for example, as 337787641 + 133957476 = 18379^2 + 11574^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-471745117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471743117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8133508 + ... + 8133565.

It is an arithmetic number, because the mean of its divisors is an integer number (122003055).

Almost surely, 2^471745117 is an apocalyptic number.

It is an amenable number.

471745117 is a deficient number, since it is larger than the sum of its proper divisors (16267103).

471745117 is a wasteful number, since it uses less digits than its factorization.

471745117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16267102.

The product of its digits is 27440, while the sum is 37.

The square root of 471745117 is about 21719.6942197629. The cubic root of 471745117 is about 778.4591084193.

The spelling of 471745117 in words is "four hundred seventy-one million, seven hundred forty-five thousand, one hundred seventeen".