478947318 has 16 divisors (see below), whose sum is σ = 958957056. Its totient is φ = 159472040.

The previous prime is 478947311. The next prime is 478947347. The reversal of 478947318 is 813749874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478947311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38346 + ... + 49277.

It is an arithmetic number, because the mean of its divisors is an integer number (59934816).

Almost surely, 2^478947318 is an apocalyptic number.

478947318 is an abundant number, since it is smaller than the sum of its proper divisors (480009738).

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

478947318 is a wasteful number, since it uses less digits than its factorization.

478947318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88539.

The product of its digits is 1354752, while the sum is 51.

The square root of 478947318 is about 21884.8650441350. The cubic root of 478947318 is about 782.4007328135.

The spelling of 478947318 in words is "four hundred seventy-eight million, nine hundred forty-seven thousand, three hundred eighteen".