9927117445 has 32 divisors (see below), whose sum is σ = 14880208896. Its totient is φ = 6200064000.

The previous prime is 9927117419. The next prime is 9927117463. The reversal of 9927117445 is 5447117299.

It is not a de Polignac number, because 9927117445 - 2¹¹ = 9927115397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250656 + ... + 287545.

It is an arithmetic number, because the mean of its divisors is an integer number (465006528).

Almost surely, 2^9927117445 is an apocalyptic number.

It is an amenable number.

9927117445 is a deficient number, since it is larger than the sum of its proper divisors (4953091451).

9927117445 is a wasteful number, since it uses less digits than its factorization.

9927117445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538261.

The product of its digits is 635040, while the sum is 49.

The square root of 9927117445 is about 99634.9208109285. The cubic root of 9927117445 is about 2149.1878991679.

The spelling of 9927117445 in words is "nine billion, nine hundred twenty-seven million, one hundred seventeen thousand, four hundred forty-five".