478616071 has 4 divisors (see below), whose sum is σ = 478814112. Its totient is φ = 478418032.

The previous prime is 478616063. The next prime is 478616141. The reversal of 478616071 is 170616874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170616874 = 2 ⋅85308437.

It is a cyclic number.

It is not a de Polignac number, because 478616071 - 2³ = 478616063 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 (478616051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95350 + ... + 100243.

It is an arithmetic number, because the mean of its divisors is an integer number (119703528).

Almost surely, 2^478616071 is an apocalyptic number.

478616071 is a deficient number, since it is larger than the sum of its proper divisors (198041).

478616071 is a wasteful number, since it uses less digits than its factorization.

478616071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198040.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 478616071 is about 21877.2957880996. The cubic root of 478616071 is about 782.2203179349.

The spelling of 478616071 in words is "four hundred seventy-eight million, six hundred sixteen thousand, seventy-one".