5078501728 has 24 divisors (see below), whose sum is σ = 10124866080. Its totient is φ = 2507107200.

The previous prime is 5078501723. The next prime is 5078501803. The reversal of 5078501728 is 8271058705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5078501723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001923 + ... + 1006978.

It is an arithmetic number, because the mean of its divisors is an integer number (421869420).

Almost surely, 2^5078501728 is an apocalyptic number.

It is an amenable number.

5078501728 is a deficient number, since it is larger than the sum of its proper divisors (5046364352).

5078501728 is a wasteful number, since it uses less digits than its factorization.

5078501728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008990 (or 2008982 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 43.

The square root of 5078501728 is about 71263.6073181817. The cubic root of 5078501728 is about 1718.8785875665.

The spelling of 5078501728 in words is "five billion, seventy-eight million, five hundred one thousand, seven hundred twenty-eight".