8780165872216 has 8 divisors (see below), whose sum is σ = 16462811010420. Its totient is φ = 4390082936104.

The previous prime is 8780165872171. The next prime is 8780165872223. The reversal of 8780165872216 is 6122785610878.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548760367006 + ... + 548760367021.

Almost surely, 2^{8780165872216} is an apocalyptic number.

It is an amenable number.

8780165872216 is a deficient number, since it is larger than the sum of its proper divisors (7682645138204).

8780165872216 is a wasteful number, since it uses less digits than its factorization.

8780165872216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097520734033 (or 1097520734029 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 61.

The spelling of 8780165872216 in words is "eight trillion, seven hundred eighty billion, one hundred sixty-five million, eight hundred seventy-two thousand, two hundred sixteen".