9023618881 has 4 divisors (see below), whose sum is σ = 9028397700. Its totient is φ = 9018840064.

The previous prime is 9023618873. The next prime is 9023618899. The reversal of 9023618881 is 1888163209.

9023618881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7485018256 + 1538600625 = 86516^2 + 39225^2 .

It is a cyclic number.

It is not a de Polignac number, because 9023618881 - 2³ = 9023618873 is a prime.

It is a super-2 number, since 2×9023618881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9023618831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2386576 + ... + 2390353.

It is an arithmetic number, because the mean of its divisors is an integer number (2257099425).

Almost surely, 2^9023618881 is an apocalyptic number.

It is an amenable number.

9023618881 is a deficient number, since it is larger than the sum of its proper divisors (4778819).

9023618881 is a wasteful number, since it uses less digits than its factorization.

9023618881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778818.

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 9023618881 is about 94992.7306745100. The cubic root of 9023618881 is about 2081.9018355658.

The spelling of 9023618881 in words is "nine billion, twenty-three million, six hundred eighteen thousand, eight hundred eighty-one".