8648778468 has 36 divisors (see below), whose sum is σ = 22181857040. Its totient is φ = 2620841520.

The previous prime is 8648778449. The next prime is 8648778491.

8648778468 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 8648778399 and 8648778408.

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 11 ways as a sum of consecutive naturals, for example, 2976778 + ... + 2979681.

Almost surely, 2^8648778468 is an apocalyptic number.

It is an amenable number.

8648778468 is an abundant number, since it is smaller than the sum of its proper divisors (13533078572).

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

8648778468 is a wasteful number, since it uses less digits than its factorization.

8648778468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5956488 (or 5956475 counting only the distinct ones).

The product of its digits is 115605504, while the sum is 66.

The square root of 8648778468 is about 92998.8089601152. The cubic root of 8648778468 is about 2052.6658530560.

The spelling of 8648778468 in words is "eight billion, six hundred forty-eight million, seven hundred seventy-eight thousand, four hundred sixty-eight".