8817748121 has 8 divisors (see below), whose sum is σ = 10852613184. Its totient is φ = 6976679760.

The previous prime is 8817748109. The next prime is 8817748123. The reversal of 8817748121 is 1218477188.

It is a happy number.

8817748121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8817748121 - 2¹⁰ = 8817747097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8817748123) 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 7 ways as a sum of consecutive naturals, for example, 48449075 + ... + 48449256.

It is an arithmetic number, because the mean of its divisors is an integer number (1356576648).

Almost surely, 2^8817748121 is an apocalyptic number.

It is an amenable number.

8817748121 is a deficient number, since it is larger than the sum of its proper divisors (2034865063).

8817748121 is a wasteful number, since it uses less digits than its factorization.

8817748121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96898351.

The product of its digits is 200704, while the sum is 47.

The square root of 8817748121 is about 93902.8653503183. The cubic root of 8817748121 is about 2065.9472558644.

The spelling of 8817748121 in words is "eight billion, eight hundred seventeen million, seven hundred forty-eight thousand, one hundred twenty-one".