9118958472 has 96 divisors (see below), whose sum is σ = 26617270680. Its totient is φ = 2803691520.

The previous prime is 9118958467. The next prime is 9118958473. The reversal of 9118958472 is 2748598119.

It is a happy number.

9118958472 is a `hidden beast` number, since 9 + 118 + 9 + 58 + 472 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8360176356 + 758782116 = 91434^2 + 27546^2 .

It is a super-2 number, since 2×9118958472² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9118958473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1585522 + ... + 1591262.

Almost surely, 2^9118958472 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 9118958472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13308635340).

9118958472 is an abundant number, since it is smaller than the sum of its proper divisors (17498312208).

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

9118958472 is a wasteful number, since it uses less digits than its factorization.

9118958472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7463 (or 7456 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 54.

The square root of 9118958472 is about 95493.2378338906. The cubic root of 9118958472 is about 2089.2083165598.

The spelling of 9118958472 in words is "nine billion, one hundred eighteen million, nine hundred fifty-eight thousand, four hundred seventy-two".