478734656 has 14 divisors (see below), whose sum is σ = 949989210. Its totient is φ = 239367296.

The previous prime is 478734629. The next prime is 478734661. The reversal of 478734656 is 656437874.

It can be written as a sum of positive squares in only one way, i.e., 478734400 + 256 = 21880^2 + 16^2 .

It is a super-3 number, since 3×478734656³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3740051 + ... + 3740178.

Almost surely, 2^478734656 is an apocalyptic number.

It is an amenable number.

478734656 is a deficient number, since it is larger than the sum of its proper divisors (471254554).

478734656 is an equidigital number, since it uses as much as digits as its factorization.

478734656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7480241 (or 7480231 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 50.

The square root of 478734656 is about 21880.0058500906. The cubic root of 478734656 is about 782.2849152480.

The spelling of 478734656 in words is "four hundred seventy-eight million, seven hundred thirty-four thousand, six hundred fifty-six".