8971911036 has 144 divisors (see below), whose sum is σ = 26090588160. Its totient is φ = 2570952960.

The previous prime is 8971911031. The next prime is 8971911077. The reversal of 8971911036 is 6301191798.

It is a junction number, because it is equal to n+sod(n) for n = 8971910982 and 8971911000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8971911031) 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 47 ways as a sum of consecutive naturals, for example, 8178040 + ... + 8179136.

It is an arithmetic number, because the mean of its divisors is an integer number (181184640).

Almost surely, 2^8971911036 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 8971911036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13045294080).

8971911036 is an abundant number, since it is smaller than the sum of its proper divisors (17118677124).

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

8971911036 is a wasteful number, since it uses less digits than its factorization.

8971911036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224 (or 2219 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 8971911036 is about 94720.1722760258. The cubic root of 8971911036 is about 2077.9175901212.

The spelling of 8971911036 in words is "eight billion, nine hundred seventy-one million, nine hundred eleven thousand, thirty-six".