5218987800 has 192 divisors, whose sum is σ = 17478881280. Its totient is φ = 1280586240.

The previous prime is 5218987757. The next prime is 5218987817. The reversal of 5218987800 is 87898125.

It is a self number, because there is not a number n which added to its sum of digits gives 5218987800.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 2986527 + ... + 2988273.

It is an arithmetic number, because the mean of its divisors is an integer number (91035840).

Almost surely, 2^5218987800 is an apocalyptic number.

5218987800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5218987800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8739440640).

5218987800 is an abundant number, since it is smaller than the sum of its proper divisors (12259893480).

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

5218987800 is a wasteful number, since it uses less digits than its factorization.

5218987800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162 (or 2153 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 48.

The square root of 5218987800 is about 72242.5622469192. The cubic root of 5218987800 is about 1734.5843639474.

The spelling of 5218987800 in words is "five billion, two hundred eighteen million, nine hundred eighty-seven thousand, eight hundred".