5587997856 has 96 divisors (see below), whose sum is σ = 16794505728. Its totient is φ = 1593665280.

The previous prime is 5587997843. The next prime is 5587997861. The reversal of 5587997856 is 6587997855.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376431 + ... + 390993.

It is an arithmetic number, because the mean of its divisors is an integer number (174942768).

Almost surely, 2^5587997856 is an apocalyptic number.

5587997856 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 5587997856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8397252864).

5587997856 is an abundant number, since it is smaller than the sum of its proper divisors (11206507872).

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

5587997856 is a wasteful number, since it uses less digits than its factorization.

5587997856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15154 (or 15146 counting only the distinct ones).

The product of its digits is 190512000, while the sum is 69.

The square root of 5587997856 is about 74752.9120235459. The cubic root of 5587997856 is about 1774.5384351411.

Subtracting 5587997856 from its reverse (6587997855), we obtain a palindrome (999999999).

It can be divided in two parts, 55879 and 97856, that added together give a triangular number (153735 = T₅₅₄).

The spelling of 5587997856 in words is "five billion, five hundred eighty-seven million, nine hundred ninety-seven thousand, eight hundred fifty-six".