8084421705 has 16 divisors (see below), whose sum is σ = 12954029760. Its totient is φ = 4305373248.

The previous prime is 8084421703. The next prime is 8084421713. The reversal of 8084421705 is 5071244808.

It is a happy number.

8084421705 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8084421705 - 2¹ = 8084421703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8084421703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384310 + ... + 404799.

It is an arithmetic number, because the mean of its divisors is an integer number (809626860).

Almost surely, 2^8084421705 is an apocalyptic number.

It is an amenable number.

8084421705 is a deficient number, since it is larger than the sum of its proper divisors (4869608055).

8084421705 is a wasteful number, since it uses less digits than its factorization.

8084421705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789800.

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 8084421705 is about 89913.4122642445. The cubic root of 8084421705 is about 2007.0105395384.

The spelling of 8084421705 in words is "eight billion, eighty-four million, four hundred twenty-one thousand, seven hundred five".