5028706821 has 16 divisors (see below), whose sum is σ = 7115051520. Its totient is φ = 3152358000.

The previous prime is 5028706817. The next prime is 5028706849. The reversal of 5028706821 is 1286078205.

It is not a de Polignac number, because 5028706821 - 2² = 5028706817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5028706821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5028706871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613555 + ... + 621696.

It is an arithmetic number, because the mean of its divisors is an integer number (444690720).

Almost surely, 2^5028706821 is an apocalyptic number.

It is an amenable number.

5028706821 is a deficient number, since it is larger than the sum of its proper divisors (2086344699).

5028706821 is a wasteful number, since it uses less digits than its factorization.

5028706821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235336.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 5028706821 is about 70913.3754731785. The cubic root of 5028706821 is about 1713.2422352063.

The spelling of 5028706821 in words is "five billion, twenty-eight million, seven hundred six thousand, eight hundred twenty-one".