8464664648 has 32 divisors (see below), whose sum is σ = 17492600160. Its totient is φ = 3807905280.

The previous prime is 8464664639. The next prime is 8464664653.

8464664648 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8464664593 and 8464664602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487286 + ... + 504357.

It is an arithmetic number, because the mean of its divisors is an integer number (546643755).

Almost surely, 2^8464664648 is an apocalyptic number.

8464664648 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8464664648 is an abundant number, since it is smaller than the sum of its proper divisors (9027935512).

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

8464664648 is a wasteful number, since it uses less digits than its factorization.

8464664648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991757 (or 991753 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 56.

The square root of 8464664648 is about 92003.6121464804. The cubic root of 8464664648 is about 2037.9956482608.

The spelling of 8464664648 in words is "eight billion, four hundred sixty-four million, six hundred sixty-four thousand, six hundred forty-eight".