84245231728 has 40 divisors (see below), whose sum is σ = 186562027520. Its totient is φ = 36101419200.

The previous prime is 84245231717. The next prime is 84245231731. The reversal of 84245231728 is 82713254248.

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 7 ways as a sum of consecutive naturals, for example, 1261153 + ... + 1326271.

It is an arithmetic number, because the mean of its divisors is an integer number (4664050688).

Almost surely, 2^84245231728 is an apocalyptic number.

It is an amenable number.

84245231728 is an abundant number, since it is smaller than the sum of its proper divisors (102316795792).

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

84245231728 is a wasteful number, since it uses less digits than its factorization.

84245231728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76685 (or 76679 counting only the distinct ones).

The product of its digits is 860160, while the sum is 46.

The spelling of 84245231728 in words is "eighty-four billion, two hundred forty-five million, two hundred thirty-one thousand, seven hundred twenty-eight".