8847121020 has 24 divisors (see below), whose sum is σ = 24771939024. Its totient is φ = 2359232256.

The previous prime is 8847120991. The next prime is 8847121027. The reversal of 8847121020 is 201217488.

It is a happy number.

8847121020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8847121027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73725949 + ... + 73726068.

It is an arithmetic number, because the mean of its divisors is an integer number (1032164126).

Almost surely, 2^8847121020 is an apocalyptic number.

It is an amenable number.

8847121020 is an abundant number, since it is smaller than the sum of its proper divisors (15924818004).

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

8847121020 is a wasteful number, since it uses less digits than its factorization.

8847121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147452029 (or 147452027 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 8847121020 is about 94059.1357604353. The cubic root of 8847121020 is about 2068.2386800551.

The spelling of 8847121020 in words is "eight billion, eight hundred forty-seven million, one hundred twenty-one thousand, twenty".