479879138 has 16 divisors (see below), whose sum is σ = 725392800. Its totient is φ = 238089216.

The previous prime is 479879137. The next prime is 479879161. The reversal of 479879138 is 831978974.

It is not an unprimeable number, because it can be changed into a prime (479879137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143813 + ... + 147111.

It is an arithmetic number, because the mean of its divisors is an integer number (45337050).

Almost surely, 2^479879138 is an apocalyptic number.

479879138 is a deficient number, since it is larger than the sum of its proper divisors (245513662).

479879138 is a wasteful number, since it uses less digits than its factorization.

479879138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841.

The product of its digits is 3048192, while the sum is 56.

The square root of 479879138 is about 21906.1438413976. The cubic root of 479879138 is about 782.9078062266.

The spelling of 479879138 in words is "four hundred seventy-nine million, eight hundred seventy-nine thousand, one hundred thirty-eight".