9318872772 has 180 divisors, whose sum is σ = 28052274096. Its totient is φ = 2674905120.

The previous prime is 9318872749. The next prime is 9318872803. The reversal of 9318872772 is 2772788139.

9318872772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1282983 + ... + 1290225.

Almost surely, 2^9318872772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9318872772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14026137048).

9318872772 is an abundant number, since it is smaller than the sum of its proper divisors (18733401324).

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

9318872772 is a wasteful number, since it uses less digits than its factorization.

9318872772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7308 (or 7278 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 54.

The square root of 9318872772 is about 96534.3087819041. The cubic root of 9318872772 is about 2104.3652787730.

The spelling of 9318872772 in words is "nine billion, three hundred eighteen million, eight hundred seventy-two thousand, seven hundred seventy-two".