478945700 has 36 divisors (see below), whose sum is σ = 1053565380. Its totient is φ = 188951040.

The previous prime is 478945699. The next prime is 478945703. The reversal of 478945700 is 7549874.

It can be written as a sum of positive squares in 6 ways, for example, as 7795264 + 471150436 = 2792^2 + 21706^2 .

It is not an unprimeable number, because it can be changed into a prime (478945703) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 25505 + ... + 40104.

It is an arithmetic number, because the mean of its divisors is an integer number (29265705).

Almost surely, 2^478945700 is an apocalyptic number.

It is an amenable number.

478945700 is an abundant number, since it is smaller than the sum of its proper divisors (574619680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478945700 is a wasteful number, since it uses less digits than its factorization.

478945700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65696 (or 65689 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 478945700 is about 21884.8280779174. The cubic root of 478945700 is about 782.3998517661.

The spelling of 478945700 in words is "four hundred seventy-eight million, nine hundred forty-five thousand, seven hundred".