478913471 has 2 divisors, whose sum is σ = 478913472. Its totient is φ = 478913470.

The previous prime is 478913467. The next prime is 478913509. The reversal of 478913471 is 174319874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 478913471 - 2² = 478913467 is a prime.

It is a super-3 number, since 3×478913471³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478913401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239456735 + 239456736.

It is an arithmetic number, because the mean of its divisors is an integer number (239456736).

Almost surely, 2^478913471 is an apocalyptic number.

478913471 is a deficient number, since it is larger than the sum of its proper divisors (1).

478913471 is an equidigital number, since it uses as much as digits as its factorization.

478913471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 44.

The square root of 478913471 is about 21884.0917334944. The cubic root of 478913471 is about 782.3823017387.

The spelling of 478913471 in words is "four hundred seventy-eight million, nine hundred thirteen thousand, four hundred seventy-one".