478439075 has 12 divisors (see below), whose sum is σ = 628162920. Its totient is φ = 360236160.

The previous prime is 478439069. The next prime is 478439107. The reversal of 478439075 is 570934874.

It is not a de Polignac number, because 478439075 - 2¹⁸ = 478176931 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 562445 + ... + 563294.

It is an arithmetic number, because the mean of its divisors is an integer number (52346910).

Almost surely, 2^478439075 is an apocalyptic number.

478439075 is a deficient number, since it is larger than the sum of its proper divisors (149723845).

478439075 is a wasteful number, since it uses less digits than its factorization.

478439075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125766 (or 1125761 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 478439075 is about 21873.2502157315. The cubic root of 478439075 is about 782.1238822976.

The spelling of 478439075 in words is "four hundred seventy-eight million, four hundred thirty-nine thousand, seventy-five".