8971007616 has 48 divisors (see below), whose sum is σ = 25815012210. Its totient is φ = 2990335488.

The previous prime is 8971007609. The next prime is 8971007621. The reversal of 8971007616 is 6167001798.

It can be written as a sum of positive squares in only one way, i.e., 5639409216 + 3331598400 = 75096^2 + 57720^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3892515 + ... + 3894818.

Almost surely, 2^8971007616 is an apocalyptic number.

It is an amenable number.

8971007616 is an abundant number, since it is smaller than the sum of its proper divisors (16844004594).

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

8971007616 is a wasteful number, since it uses less digits than its factorization.

8971007616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7787353 (or 7787338 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 8971007616 is about 94715.4032668393. The cubic root of 8971007616 is about 2077.8478429843.

The spelling of 8971007616 in words is "eight billion, nine hundred seventy-one million, seven thousand, six hundred sixteen".