8436804868128 has 192 divisors, whose sum is σ = 27262786747392. Its totient is φ = 2224649180160.

The previous prime is 8436804868123. The next prime is 8436804868169. The reversal of 8436804868128 is 8218684086348.

It is not an unprimeable number, because it can be changed into a prime (8436804868123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45080475 + ... + 45267237.

It is an arithmetic number, because the mean of its divisors is an integer number (141993680976).

Almost surely, 2^{8436804868128} 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 8436804868128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13631393373696).

8436804868128 is an abundant number, since it is smaller than the sum of its proper divisors (18825981879264).

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

8436804868128 is a wasteful number, since it uses less digits than its factorization.

8436804868128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191967 (or 191959 counting only the distinct ones).

The product of its (nonzero) digits is 113246208, while the sum is 66.

The spelling of 8436804868128 in words is "eight trillion, four hundred thirty-six billion, eight hundred four million, eight hundred sixty-eight thousand, one hundred twenty-eight".