84221805092 has 12 divisors (see below), whose sum is σ = 147395566080. Its totient is φ = 42108786216.

The previous prime is 84221805091. The next prime is 84221805103. The reversal of 84221805092 is 29050812248.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (84221805091) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 437792 + ... + 600087.

It is an arithmetic number, because the mean of its divisors is an integer number (12282963840).

Almost surely, 2^84221805092 is an apocalyptic number.

It is an amenable number.

84221805092 is a deficient number, since it is larger than the sum of its proper divisors (63173760988).

84221805092 is a wasteful number, since it uses less digits than its factorization.

84221805092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058170 (or 1058168 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 84221805092 in words is "eighty-four billion, two hundred twenty-one million, eight hundred five thousand, ninety-two".