8927991072 has 1152 divisors, whose sum is σ = 37477859328. Its totient is φ = 2015539200.

The previous prime is 8927991071. The next prime is 8927991077. The reversal of 8927991072 is 2701997298.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8927991071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 241297038 + ... + 241297074.

It is an arithmetic number, because the mean of its divisors is an integer number (32532864).

Almost surely, 2^8927991072 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 8927991072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18738929664).

8927991072 is an abundant number, since it is smaller than the sum of its proper divisors (28549868256).

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

8927991072 is a wasteful number, since it uses less digits than its factorization.

8927991072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The square root of 8927991072 is about 94488.0472440827. The cubic root of 8927991072 is about 2074.5213835487.

It can be divided in two parts, 8927 and 991072, that added together give a palindrome (999999).

The spelling of 8927991072 in words is "eight billion, nine hundred twenty-seven million, nine hundred ninety-one thousand, seventy-two".