8512840229 has 4 divisors (see below), whose sum is σ = 8518798860. Its totient is φ = 8506881600.

The previous prime is 8512840213. The next prime is 8512840243. The reversal of 8512840229 is 9220482158.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 774119329 + 7738720900 = 27823^2 + 87970^2 .

It is a cyclic number.

It is not a de Polignac number, because 8512840229 - 2⁴ = 8512840213 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 (8512840129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2977172 + ... + 2980029.

It is an arithmetic number, because the mean of its divisors is an integer number (2129699715).

Almost surely, 2^8512840229 is an apocalyptic number.

It is an amenable number.

8512840229 is a deficient number, since it is larger than the sum of its proper divisors (5958631).

8512840229 is a wasteful number, since it uses less digits than its factorization.

8512840229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5958630.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 8512840229 is about 92265.0542133911. The cubic root of 8512840229 is about 2041.8546689625.

The spelling of 8512840229 in words is "eight billion, five hundred twelve million, eight hundred forty thousand, two hundred twenty-nine".