471788409 has 8 divisors (see below), whose sum is σ = 630766720. Its totient is φ = 313667856.

The previous prime is 471788393. The next prime is 471788417. The reversal of 471788409 is 904887174.

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

It is not a de Polignac number, because 471788409 - 2⁴ = 471788393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (471788459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213154 + ... + 215355.

It is an arithmetic number, because the mean of its divisors is an integer number (78845840).

Almost surely, 2^471788409 is an apocalyptic number.

It is an amenable number.

471788409 is a deficient number, since it is larger than the sum of its proper divisors (158978311).

471788409 is a wasteful number, since it uses less digits than its factorization.

471788409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428879.

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 471788409 is about 21720.6908039316. The cubic root of 471788409 is about 778.4829207279.

The spelling of 471788409 in words is "four hundred seventy-one million, seven hundred eighty-eight thousand, four hundred nine".