479789427 has 32 divisors (see below), whose sum is σ = 715680000. Its totient is φ = 283876992.

The previous prime is 479789417. The next prime is 479789441. The reversal of 479789427 is 724987974.

It is a happy number.

It is not a de Polignac number, because 479789427 - 2⁴ = 479789411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (479789417) 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 31 ways as a sum of consecutive naturals, for example, 319324 + ... + 320822.

It is an arithmetic number, because the mean of its divisors is an integer number (22365000).

Almost surely, 2^479789427 is an apocalyptic number.

479789427 is a deficient number, since it is larger than the sum of its proper divisors (235890573).

479789427 is a wasteful number, since it uses less digits than its factorization.

479789427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827.

The product of its digits is 7112448, while the sum is 57.

The square root of 479789427 is about 21904.0961237847. The cubic root of 479789427 is about 782.8590162892.

The spelling of 479789427 in words is "four hundred seventy-nine million, seven hundred eighty-nine thousand, four hundred twenty-seven".