478881884 has 48 divisors (see below), whose sum is σ = 935531520. Its totient is φ = 213071040.

The previous prime is 478881883. The next prime is 478881889. The reversal of 478881884 is 488188874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478881883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175289 + ... + 177999.

It is an arithmetic number, because the mean of its divisors is an integer number (19490240).

Almost surely, 2^478881884 is an apocalyptic number.

It is an amenable number.

478881884 is a deficient number, since it is larger than the sum of its proper divisors (456649636).

478881884 is a wasteful number, since it uses less digits than its factorization.

478881884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850 (or 2848 counting only the distinct ones).

The product of its digits is 3670016, while the sum is 56.

The square root of 478881884 is about 21883.3700329725. The cubic root of 478881884 is about 782.3651005429.

The spelling of 478881884 in words is "four hundred seventy-eight million, eight hundred eighty-one thousand, eight hundred eighty-four".