5338888821 has 16 divisors (see below), whose sum is σ = 9039388800. Its totient is φ = 3050793504.

The previous prime is 5338888801. The next prime is 5338888837. The reversal of 5338888821 is 1288888335.

It is a happy number.

5338888821 is a `hidden beast` number, since 533 + 8 + 8 + 8 + 88 + 21 = 666.

It is not a de Polignac number, because 5338888821 - 2⁶ = 5338888757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5338888801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14123856 + ... + 14124233.

It is an arithmetic number, because the mean of its divisors is an integer number (564961800).

Almost surely, 2^5338888821 is an apocalyptic number.

It is an amenable number.

5338888821 is a deficient number, since it is larger than the sum of its proper divisors (3700499979).

5338888821 is a wasteful number, since it uses less digits than its factorization.

5338888821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28248105 (or 28248099 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 54.

The square root of 5338888821 is about 73067.7002580484. The cubic root of 5338888821 is about 1747.7673646433.

The spelling of 5338888821 in words is "five billion, three hundred thirty-eight million, eight hundred eighty-eight thousand, eight hundred twenty-one".