478496109 has 32 divisors (see below), whose sum is σ = 788465664. Its totient is φ = 251352000.

The previous prime is 478496107. The next prime is 478496119. The reversal of 478496109 is 901694874.

It is not a de Polignac number, because 478496109 - 2¹ = 478496107 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478496107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65032 + ... + 72014.

It is an arithmetic number, because the mean of its divisors is an integer number (24639552).

Almost surely, 2^478496109 is an apocalyptic number.

It is an amenable number.

478496109 is a deficient number, since it is larger than the sum of its proper divisors (309969555).

478496109 is a wasteful number, since it uses less digits than its factorization.

478496109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7257.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 478496109 is about 21874.5539154516. The cubic root of 478496109 is about 782.1549596652.

The spelling of 478496109 in words is "four hundred seventy-eight million, four hundred ninety-six thousand, one hundred nine".