4678213888 has 36 divisors (see below), whose sum is σ = 9371529468. Its totient is φ = 2330746880.

The previous prime is 4678213879. The next prime is 4678213907. The reversal of 4678213888 is 8883128764.

It can be written as a sum of positive squares in 2 ways, for example, as 3869835264 + 808378624 = 62208^2 + 28432^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39420 + ... + 104452.

It is an arithmetic number, because the mean of its divisors is an integer number (260320263).

Almost surely, 2^4678213888 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 4678213888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4685764734).

4678213888 is an abundant number, since it is smaller than the sum of its proper divisors (4693315580).

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

4678213888 is an equidigital number, since it uses as much as digits as its factorization.

4678213888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65330 (or 65316 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 55.

The square root of 4678213888 is about 68397.4698947264. The cubic root of 4678213888 is about 1672.4765016290.

The spelling of 4678213888 in words is "four billion, six hundred seventy-eight million, two hundred thirteen thousand, eight hundred eighty-eight".