8917120965 has 16 divisors (see below), whose sum is σ = 14271766848. Its totient is φ = 4754340096.

The previous prime is 8917120951. The next prime is 8917120969. The reversal of 8917120965 is 5690217198.

It is not a de Polignac number, because 8917120965 - 2⁷ = 8917120837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8917120969) 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, 39604 + ... + 139293.

It is an arithmetic number, because the mean of its divisors is an integer number (891985428).

Almost surely, 2^8917120965 is an apocalyptic number.

It is an amenable number.

8917120965 is a deficient number, since it is larger than the sum of its proper divisors (5354645883).

8917120965 is a wasteful number, since it uses less digits than its factorization.

8917120965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182228.

The product of its (nonzero) digits is 272160, while the sum is 48.

The square root of 8917120965 is about 94430.5086558364. The cubic root of 8917120965 is about 2073.6791101746.

The spelling of 8917120965 in words is "eight billion, nine hundred seventeen million, one hundred twenty thousand, nine hundred sixty-five".