8116704388728 has 256 divisors, whose sum is σ = 25141772880000. Its totient is φ = 2409047101440.

The previous prime is 8116704388687. The next prime is 8116704388759. The reversal of 8116704388728 is 8278834076118.

8116704388728 is a `hidden beast` number, since 8 + 116 + 7 + 0 + 438 + 87 + 2 + 8 = 666.

It is a super-2 number, since 2×8116704388728² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 87004188 + ... + 87097428.

Almost surely, 2^{8116704388728} 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 8116704388728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12570886440000).

8116704388728 is an abundant number, since it is smaller than the sum of its proper divisors (17025068491272).

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

8116704388728 is a wasteful number, since it uses less digits than its factorization.

8116704388728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94367 (or 94357 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 63.

The spelling of 8116704388728 in words is "eight trillion, one hundred sixteen billion, seven hundred four million, three hundred eighty-eight thousand, seven hundred twenty-eight".