478888267 has 16 divisors (see below), whose sum is σ = 587075328. Its totient is φ = 384389280.

The previous prime is 478888261. The next prime is 478888271. The reversal of 478888267 is 762888874.

It is not a de Polignac number, because 478888267 - 2³ = 478888259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478888261) 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 15 ways as a sum of consecutive naturals, for example, 69513 + ... + 76090.

It is an arithmetic number, because the mean of its divisors is an integer number (36692208).

Almost surely, 2^478888267 is an apocalyptic number.

478888267 is a deficient number, since it is larger than the sum of its proper divisors (108187061).

478888267 is a wasteful number, since it uses less digits than its factorization.

478888267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145650.

The product of its digits is 9633792, while the sum is 58.

The square root of 478888267 is about 21883.5158738261. The cubic root of 478888267 is about 782.3685765666.

The spelling of 478888267 in words is "four hundred seventy-eight million, eight hundred eighty-eight thousand, two hundred sixty-seven".