478160493 has 8 divisors (see below), whose sum is σ = 638148000. Its totient is φ = 318473328.

The previous prime is 478160489. The next prime is 478160561. The reversal of 478160493 is 394061874.

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

It is not a de Polignac number, because 478160493 - 2² = 478160489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478160413) 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, 71343 + ... + 77756.

It is an arithmetic number, because the mean of its divisors is an integer number (79768500).

Almost surely, 2^478160493 is an apocalyptic number.

It is an amenable number.

478160493 is a deficient number, since it is larger than the sum of its proper divisors (159987507).

478160493 is a wasteful number, since it uses less digits than its factorization.

478160493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150171.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 478160493 is about 21866.8811905127. The cubic root of 478160493 is about 781.9720497028.

The spelling of 478160493 in words is "four hundred seventy-eight million, one hundred sixty thousand, four hundred ninety-three".