6467378663 has 8 divisors (see below), whose sum is σ = 7014833280. Its totient is φ = 5938481920.

The previous prime is 6467378657. The next prime is 6467378683. The reversal of 6467378663 is 3668737646.

6467378663 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6467378663 - 2¹⁰ = 6467377639 is a prime.

It is a super-3 number, since 3×6467378663³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6467378599 and 6467378608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6467378683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4638743 + ... + 4640136.

It is an arithmetic number, because the mean of its divisors is an integer number (876854160).

Almost surely, 2^6467378663 is an apocalyptic number.

6467378663 is a deficient number, since it is larger than the sum of its proper divisors (547454617).

6467378663 is a wasteful number, since it uses less digits than its factorization.

6467378663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9278937.

The product of its digits is 18289152, while the sum is 56.

The square root of 6467378663 is about 80420.0140698819. The cubic root of 6467378663 is about 1863.1283024016.

The spelling of 6467378663 in words is "six billion, four hundred sixty-seven million, three hundred seventy-eight thousand, six hundred sixty-three".