478864132 has 12 divisors (see below), whose sum is σ = 838228300. Its totient is φ = 239370336.

The previous prime is 478864123. The next prime is 478864151. The reversal of 478864132 is 231468874.

It can be written as a sum of positive squares in 2 ways, for example, as 330657856 + 148206276 = 18184^2 + 12174^2 .

It is a super-3 number, since 3×478864132³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5038 + ... + 31354.

Almost surely, 2^478864132 is an apocalyptic number.

It is an amenable number.

478864132 is a deficient number, since it is larger than the sum of its proper divisors (359364168).

478864132 is a wasteful number, since it uses less digits than its factorization.

478864132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30870 (or 30868 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 478864132 is about 21882.9644244101. The cubic root of 478864132 is about 782.3554330812.

The spelling of 478864132 in words is "four hundred seventy-eight million, eight hundred sixty-four thousand, one hundred thirty-two".