6547887456 has 192 divisors, whose sum is σ = 19508428800. Its totient is φ = 1905062400.

The previous prime is 6547887439. The next prime is 6547887461.

6547887456 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 6547887456.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4549585 + ... + 4551023.

It is an arithmetic number, because the mean of its divisors is an integer number (101606400).

Almost surely, 2^6547887456 is an apocalyptic number.

6547887456 is a gapful number since it is divisible by the number (66) 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 6547887456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9754214400).

6547887456 is an abundant number, since it is smaller than the sum of its proper divisors (12960541344).

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

6547887456 is a wasteful number, since it uses less digits than its factorization.

6547887456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633 (or 1625 counting only the distinct ones).

The product of its digits is 45158400, while the sum is 60.

The square root of 6547887456 is about 80919.0178882567. The cubic root of 6547887456 is about 1870.8274580667.

The spelling of 6547887456 in words is "six billion, five hundred forty-seven million, eight hundred eighty-seven thousand, four hundred fifty-six".