478258315 has 4 divisors (see below), whose sum is σ = 573909984. Its totient is φ = 382606648.

The previous prime is 478258303. The next prime is 478258351. The reversal of 478258315 is 513852874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513852874 = 2 ⋅256926437.

It is a cyclic number.

It is not a de Polignac number, because 478258315 - 2¹⁵ = 478225547 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47825827 + ... + 47825836.

It is an arithmetic number, because the mean of its divisors is an integer number (143477496).

Almost surely, 2^478258315 is an apocalyptic number.

478258315 is a deficient number, since it is larger than the sum of its proper divisors (95651669).

478258315 is an equidigital number, since it uses as much as digits as its factorization.

478258315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95651668.

The product of its digits is 268800, while the sum is 43.

The square root of 478258315 is about 21869.1178377181. The cubic root of 478258315 is about 782.0253713072.

The spelling of 478258315 in words is "four hundred seventy-eight million, two hundred fifty-eight thousand, three hundred fifteen".