9767772216 has 48 divisors (see below), whose sum is σ = 26716327560. Its totient is φ = 3223684800.

The previous prime is 9767772211. The next prime is 9767772281. The reversal of 9767772216 is 6122777679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9767772211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 664330 + ... + 678873.

Almost surely, 2^9767772216 is an apocalyptic number.

It is an amenable number.

9767772216 is an abundant number, since it is smaller than the sum of its proper divisors (16948555344).

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

9767772216 is a wasteful number, since it uses less digits than its factorization.

9767772216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343316 (or 1343309 counting only the distinct ones).

The product of its digits is 3111696, while the sum is 54.

The square root of 9767772216 is about 98832.0404322404. The cubic root of 9767772216 is about 2137.6265805412.

The spelling of 9767772216 in words is "nine billion, seven hundred sixty-seven million, seven hundred seventy-two thousand, two hundred sixteen".