8971960989 has 16 divisors (see below), whose sum is σ = 12220201728. Its totient is φ = 5852577792.

The previous prime is 8971960931. The next prime is 8971960993. The reversal of 8971960989 is 9890691798.

It is not a de Polignac number, because 8971960989 - 2⁸ = 8971960733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8971960889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1115109 + ... + 1123125.

It is an arithmetic number, because the mean of its divisors is an integer number (763762608).

Almost surely, 2^8971960989 is an apocalyptic number.

It is an amenable number.

8971960989 is a deficient number, since it is larger than the sum of its proper divisors (3248240739).

8971960989 is a wasteful number, since it uses less digits than its factorization.

8971960989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16004.

The product of its (nonzero) digits is 17635968, while the sum is 66.

The square root of 8971960989 is about 94720.4359628903. The cubic root of 8971960989 is about 2077.9214465283.

The spelling of 8971960989 in words is "eight billion, nine hundred seventy-one million, nine hundred sixty thousand, nine hundred eighty-nine".