84563423712 has 192 divisors, whose sum is σ = 259477344000. Its totient is φ = 26754061824.

The previous prime is 84563423701. The next prime is 84563423719. The reversal of 84563423712 is 21732436548.

84563423712 is a `hidden beast` number, since 8 + 4 + 5 + 634 + 2 + 3 + 7 + 1 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84563423719) 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 31 ways as a sum of consecutive naturals, for example, 1449703 + ... + 1506905.

It is an arithmetic number, because the mean of its divisors is an integer number (1351444500).

Almost surely, 2^84563423712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84563423712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129738672000).

84563423712 is an abundant number, since it is smaller than the sum of its proper divisors (174913920288).

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

84563423712 is a wasteful number, since it uses less digits than its factorization.

84563423712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57310 (or 57296 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 84563423712 in words is "eighty-four billion, five hundred sixty-three million, four hundred twenty-three thousand, seven hundred twelve".