5278424728 has 24 divisors (see below), whose sum is σ = 9935862300. Its totient is φ = 2628901712.

The previous prime is 5278424689. The next prime is 5278424729. The reversal of 5278424728 is 8274248725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5278424729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 548583 + ... + 558121.

Almost surely, 2^5278424728 is an apocalyptic number.

It is an amenable number.

5278424728 is a deficient number, since it is larger than the sum of its proper divisors (4657437572).

5278424728 is an equidigital number, since it uses as much as digits as its factorization.

5278424728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10071 (or 9804 counting only the distinct ones).

The product of its digits is 2007040, while the sum is 49.

The square root of 5278424728 is about 72652.7682060360. The cubic root of 5278424728 is about 1741.1443487398.

The spelling of 5278424728 in words is "five billion, two hundred seventy-eight million, four hundred twenty-four thousand, seven hundred twenty-eight".