8463773648 has 20 divisors (see below), whose sum is σ = 17889340128. Its totient is φ = 3847169760.

The previous prime is 8463773597. The next prime is 8463773653.

8463773648 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8463773593 and 8463773602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24044636 + ... + 24044987.

Almost surely, 2^8463773648 is an apocalyptic number.

8463773648 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8463773648 is an abundant number, since it is smaller than the sum of its proper divisors (9425566480).

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

8463773648 is a wasteful number, since it uses less digits than its factorization.

8463773648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48089642 (or 48089636 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 56.

The square root of 8463773648 is about 91998.7698178622. The cubic root of 8463773648 is about 2037.9241385233.

The spelling of 8463773648 in words is "eight billion, four hundred sixty-three million, seven hundred seventy-three thousand, six hundred forty-eight".