8575879220 has 24 divisors (see below), whose sum is σ = 18068021664. Its totient is φ = 3419175456.

The previous prime is 8575879187. The next prime is 8575879223. The reversal of 8575879220 is 229785758.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8575879223) 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, 692222 + ... + 704501.

It is an arithmetic number, because the mean of its divisors is an integer number (752834236).

Almost surely, 2^8575879220 is an apocalyptic number.

It is an amenable number.

8575879220 is an abundant number, since it is smaller than the sum of its proper divisors (9492142444).

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

8575879220 is a wasteful number, since it uses less digits than its factorization.

8575879220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397039 (or 1397037 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 53.

The square root of 8575879220 is about 92606.0431073480. The cubic root of 8575879220 is about 2046.8823695930.

The spelling of 8575879220 in words is "eight billion, five hundred seventy-five million, eight hundred seventy-nine thousand, two hundred twenty".