478747136 has 120 divisors (see below), whose sum is σ = 1137739680. Its totient is φ = 197130240.

The previous prime is 478747121. The next prime is 478747141. The reversal of 478747136 is 631747874.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3444155 + ... + 3444293.

It is an arithmetic number, because the mean of its divisors is an integer number (9481164).

Almost surely, 2^478747136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478747136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568869840).

478747136 is an abundant number, since it is smaller than the sum of its proper divisors (658992544).

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

478747136 is an equidigital number, since it uses as much as digits as its factorization.

478747136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 179 counting only the distinct ones).

The product of its digits is 790272, while the sum is 47.

The square root of 478747136 is about 21880.2910401119. The cubic root of 478747136 is about 782.2917129112.

The spelling of 478747136 in words is "four hundred seventy-eight million, seven hundred forty-seven thousand, one hundred thirty-six".