5178728832 has 64 divisors (see below), whose sum is σ = 13815275760. Its totient is φ = 1718804480.

The previous prime is 5178728827. The next prime is 5178728833. The reversal of 5178728832 is 2388278715.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5178728833) 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, 60532 + ... + 118412.

Almost surely, 2^5178728832 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 5178728832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6907637880).

5178728832 is an abundant number, since it is smaller than the sum of its proper divisors (8636546928).

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

5178728832 is a wasteful number, since it uses less digits than its factorization.

5178728832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58131 (or 58119 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 51.

The square root of 5178728832 is about 71963.3853567215. The cubic root of 5178728832 is about 1730.1126851433.

The spelling of 5178728832 in words is "five billion, one hundred seventy-eight million, seven hundred twenty-eight thousand, eight hundred thirty-two".