8120224853 has 4 divisors (see below), whose sum is σ = 8744857548. Its totient is φ = 7495592160.

The previous prime is 8120224843. The next prime is 8120224939. The reversal of 8120224853 is 3584220218.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3584220218 = 2 ⋅1792110109.

It can be written as a sum of positive squares in 2 ways, for example, as 930372004 + 7189852849 = 30502^2 + 84793^2 .

It is a cyclic number.

It is not a de Polignac number, because 8120224853 - 2¹⁰ = 8120223829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8120224823) 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 3 ways as a sum of consecutive naturals, for example, 312316328 + ... + 312316353.

It is an arithmetic number, because the mean of its divisors is an integer number (2186214387).

Almost surely, 2^8120224853 is an apocalyptic number.

It is an amenable number.

8120224853 is a deficient number, since it is larger than the sum of its proper divisors (624632695).

8120224853 is a wasteful number, since it uses less digits than its factorization.

8120224853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624632694.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 8120224853 is about 90112.2902438951. The cubic root of 8120224853 is about 2009.9689650580.

The spelling of 8120224853 in words is "eight billion, one hundred twenty million, two hundred twenty-four thousand, eight hundred fifty-three".