5021888868 has 60 divisors (see below), whose sum is σ = 13150010412. Its totient is φ = 1671183360.

The previous prime is 5021888819. The next prime is 5021888881. The reversal of 5021888868 is 8688881205.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 970820964 + 4051067904 = 31158^2 + 63648^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 187348 + ... + 212468.

Almost surely, 2^5021888868 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 5021888868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6575005206).

5021888868 is an abundant number, since it is smaller than the sum of its proper divisors (8128121544).

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

5021888868 is a wasteful number, since it uses less digits than its factorization.

5021888868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25754 (or 25743 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 54.

The square root of 5021888868 is about 70865.2867629843. The cubic root of 5021888868 is about 1712.4676100788.

The spelling of 5021888868 in words is "five billion, twenty-one million, eight hundred eighty-eight thousand, eight hundred sixty-eight".