8905995981792 has 576 divisors, whose sum is σ = 33215054431104. Its totient is φ = 2196569456640.

The previous prime is 8905995981763. The next prime is 8905995981833. The reversal of 8905995981792 is 2971895995098.

It is a happy number.

8905995981792 is a `hidden beast` number, since 8 + 9 + 0 + 5 + 9 + 9 + 598 + 17 + 9 + 2 = 666.

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 95 ways as a sum of consecutive naturals, for example, 69885492 + ... + 70012812.

It is an arithmetic number, because the mean of its divisors is an integer number (57665025054).

Almost surely, 2^{8905995981792} 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 8905995981792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16607527215552).

8905995981792 is an abundant number, since it is smaller than the sum of its proper divisors (24309058449312).

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

8905995981792 is a wasteful number, since it uses less digits than its factorization.

8905995981792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127531 (or 127520 counting only the distinct ones).

The product of its (nonzero) digits is 1322697600, while the sum is 81.

The spelling of 8905995981792 in words is "eight trillion, nine hundred five billion, nine hundred ninety-five million, nine hundred eighty-one thousand, seven hundred ninety-two".