84645654648 has 64 divisors (see below), whose sum is σ = 212416940160. Its totient is φ = 28108388736.

The previous prime is 84645654631. The next prime is 84645654677.

84645654648 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 84645654591 and 84645654600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6985411 + ... + 6997517.

It is an arithmetic number, because the mean of its divisors is an integer number (3319014690).

Almost surely, 2^84645654648 is an apocalyptic number.

It is an amenable number.

84645654648 is an abundant number, since it is smaller than the sum of its proper divisors (127771285512).

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

84645654648 is a wasteful number, since it uses less digits than its factorization.

84645654648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13196 (or 13192 counting only the distinct ones).

The product of its digits is 88473600, while the sum is 60.

The spelling of 84645654648 in words is "eighty-four billion, six hundred forty-five million, six hundred fifty-four thousand, six hundred forty-eight".