8550712420 has 24 divisors (see below), whose sum is σ = 17960511744. Its totient is φ = 3419520096.

The previous prime is 8550712381. The next prime is 8550712439. The reversal of 8550712420 is 242170558.

It is a happy number.

It is a super-2 number, since 2×8550712420² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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, 48607 + ... + 139513.

It is an arithmetic number, because the mean of its divisors is an integer number (748354656).

Almost surely, 2^8550712420 is an apocalyptic number.

It is an amenable number.

8550712420 is an abundant number, since it is smaller than the sum of its proper divisors (9409799324).

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

8550712420 is a wasteful number, since it uses less digits than its factorization.

8550712420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95619 (or 95617 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 8550712420 is about 92470.0622904516. The cubic root of 8550712420 is about 2044.8781454683.

Adding to 8550712420 its reverse (242170558), we get a palindrome (8792882978).

The spelling of 8550712420 in words is "eight billion, five hundred fifty million, seven hundred twelve thousand, four hundred twenty".