471709485 has 144 divisors (see below), whose sum is σ = 983324160. Its totient is φ = 207152640.

The previous prime is 471709481. The next prime is 471709499. The reversal of 471709485 is 584907174.

It is a happy number.

It is not a de Polignac number, because 471709485 - 2² = 471709481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 471709485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471709481) 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 143 ways as a sum of consecutive naturals, for example, 12748887 + ... + 12748923.

It is an arithmetic number, because the mean of its divisors is an integer number (6828640).

Almost surely, 2^471709485 is an apocalyptic number.

471709485 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

471709485 is an abundant number, since it is smaller than the sum of its proper divisors (511614675).

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

471709485 is a wasteful number, since it uses less digits than its factorization.

471709485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 471709485 is about 21718.8739348982. The cubic root of 471709485 is about 778.4395083201.

The spelling of 471709485 in words is "four hundred seventy-one million, seven hundred nine thousand, four hundred eighty-five".