84449186668 has 48 divisors (see below), whose sum is σ = 184435340544. Its totient is φ = 32869679040.

The previous prime is 84449186599. The next prime is 84449186681. The reversal of 84449186668 is 86668194448.

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, 176671 + ... + 447337.

It is an arithmetic number, because the mean of its divisors is an integer number (3842402928).

Almost surely, 2^84449186668 is an apocalyptic number.

It is an amenable number.

84449186668 is an abundant number, since it is smaller than the sum of its proper divisors (99986153876).

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

84449186668 is a wasteful number, since it uses less digits than its factorization.

84449186668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271702 (or 271700 counting only the distinct ones).

The product of its digits is 63700992, while the sum is 64.

The spelling of 84449186668 in words is "eighty-four billion, four hundred forty-nine million, one hundred eighty-six thousand, six hundred sixty-eight".