5284421856 has 576 divisors, whose sum is σ = 19222479360. Its totient is φ = 1422634752.

The previous prime is 5284421827. The next prime is 5284421861. The reversal of 5284421856 is 6581244825.

5284421856 is a `hidden beast` number, since 5 + 28 + 442 + 185 + 6 = 666.

It is a super-2 number, since 2×5284421856² = 55850228704340969472, which contains 22 as substring.

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 95 ways as a sum of consecutive naturals, for example, 78871935 + ... + 78872001.

It is an arithmetic number, because the mean of its divisors is an integer number (33372360).

Almost surely, 2^5284421856 is an apocalyptic number.

5284421856 is a gapful number since it is divisible by the number (56) 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 5284421856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9611239680).

5284421856 is an abundant number, since it is smaller than the sum of its proper divisors (13938057504).

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

5284421856 is an equidigital number, since it uses as much as digits as its factorization.

5284421856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 102 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The square root of 5284421856 is about 72694.0290257735. The cubic root of 5284421856 is about 1741.8035045814.

The spelling of 5284421856 in words is "five billion, two hundred eighty-four million, four hundred twenty-one thousand, eight hundred fifty-six".