6468787663 has 8 divisors (see below), whose sum is σ = 7154667968. Its totient is φ = 5809804704.

The previous prime is 6468787643. The next prime is 6468787679. The reversal of 6468787663 is 3667878646.

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 6468787663 - 2⁵ = 6468787631 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 (6468787643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6723831 + ... + 6724792.

It is an arithmetic number, because the mean of its divisors is an integer number (894333496).

Almost surely, 2^6468787663 is an apocalyptic number.

6468787663 is a deficient number, since it is larger than the sum of its proper divisors (685880305).

6468787663 is a wasteful number, since it uses less digits than its factorization.

6468787663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13448673.

The product of its digits is 48771072, while the sum is 61.

The square root of 6468787663 is about 80428.7738499102. The cubic root of 6468787663 is about 1863.2635945757.

The spelling of 6468787663 in words is "six billion, four hundred sixty-eight million, seven hundred eighty-seven thousand, six hundred sixty-three".