6468455887 has 8 divisors (see below), whose sum is σ = 6833880000. Its totient is φ = 6112523424.

The previous prime is 6468455867. The next prime is 6468455909. The reversal of 6468455887 is 7885548646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6468455887 - 2¹⁵ = 6468423119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6468455827) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2371512 + ... + 2374237.

It is an arithmetic number, because the mean of its divisors is an integer number (854235000).

Almost surely, 2^6468455887 is an apocalyptic number.

6468455887 is a deficient number, since it is larger than the sum of its proper divisors (365424113).

6468455887 is a wasteful number, since it uses less digits than its factorization.

6468455887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745825.

The product of its digits is 51609600, while the sum is 61.

The square root of 6468455887 is about 80426.7112780325. The cubic root of 6468455887 is about 1863.2317392141.

The spelling of 6468455887 in words is "six billion, four hundred sixty-eight million, four hundred fifty-five thousand, eight hundred eighty-seven".