84684448648 has 16 divisors (see below), whose sum is σ = 163905384960. Its totient is φ = 40976346000.

The previous prime is 84684448609. The next prime is 84684448649.

84684448648 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 84684448648.

It is not an unprimeable number, because it can be changed into a prime (84684448649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170734528 + ... + 170735023.

It is an arithmetic number, because the mean of its divisors is an integer number (10244086560).

Almost surely, 2^84684448648 is an apocalyptic number.

It is an amenable number.

84684448648 is a deficient number, since it is larger than the sum of its proper divisors (79220936312).

84684448648 is a wasteful number, since it uses less digits than its factorization.

84684448648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341469588 (or 341469584 counting only the distinct ones).

The product of its digits is 150994944, while the sum is 64.

The spelling of 84684448648 in words is "eighty-four billion, six hundred eighty-four million, four hundred forty-eight thousand, six hundred forty-eight".