8669812120 has 16 divisors (see below), whose sum is σ = 19507077360. Its totient is φ = 3467924832.

The previous prime is 8669812117. The next prime is 8669812141. The reversal of 8669812120 is 212189668.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 108372612 + ... + 108372691.

It is an arithmetic number, because the mean of its divisors is an integer number (1219192335).

Almost surely, 2^8669812120 is an apocalyptic number.

It is an amenable number.

8669812120 is an abundant number, since it is smaller than the sum of its proper divisors (10837265240).

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

8669812120 is a wasteful number, since it uses less digits than its factorization.

8669812120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216745314 (or 216745310 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 8669812120 is about 93111.8258869409. The cubic root of 8669812120 is about 2054.3285196900.

The spelling of 8669812120 in words is "eight billion, six hundred sixty-nine million, eight hundred twelve thousand, one hundred twenty".