84663205722912 has 384 divisors, whose sum is σ = 249378042912768. Its totient is φ = 25026597273600.

The previous prime is 84663205722883. The next prime is 84663205722937. The reversal of 84663205722912 is 21922750236648.

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 63 ways as a sum of consecutive naturals, for example, 351139743 + ... + 351380769.

It is an arithmetic number, because the mean of its divisors is an integer number (649421986752).

It is a 1-persistent number, because it is pandigital, but 2⋅84663205722912 = 169326411445824 is not.

Almost surely, 2^{84663205722912} 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 84663205722912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124689021456384).

84663205722912 is an abundant number, since it is smaller than the sum of its proper divisors (164714837189856).

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

84663205722912 is a wasteful number, since it uses less digits than its factorization.

84663205722912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241272 (or 241264 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 84663205722912 in words is "eighty-four trillion, six hundred sixty-three billion, two hundred five million, seven hundred twenty-two thousand, nine hundred twelve".