8478702144 has 336 divisors, whose sum is σ = 27735215040. Its totient is φ = 2453483520.

The previous prime is 8478702143. The next prime is 8478702157. The reversal of 8478702144 is 4412078748.

It is a self number, because there is not a number n which added to its sum of digits gives 8478702144.

It is not an unprimeable number, because it can be changed into a prime (8478702143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13831182 + ... + 13831794.

Almost surely, 2^8478702144 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 8478702144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13867607520).

8478702144 is an abundant number, since it is smaller than the sum of its proper divisors (19256512896).

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

8478702144 is a wasteful number, since it uses less digits than its factorization.

8478702144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 45.

The square root of 8478702144 is about 92079.8682883506. The cubic root of 8478702144 is about 2039.1216056828.

The spelling of 8478702144 in words is "eight billion, four hundred seventy-eight million, seven hundred two thousand, one hundred forty-four".