8722544329 has 4 divisors (see below), whose sum is σ = 8723283984. Its totient is φ = 8721804676.

The previous prime is 8722544321. The next prime is 8722544351. The reversal of 8722544329 is 9234452278.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9234452278 = 2 ⋅4617226139.

It is a cyclic number.

It is not a de Polignac number, because 8722544329 - 2³ = 8722544321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8722544321) 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, 351847 + ... + 375820.

It is an arithmetic number, because the mean of its divisors is an integer number (2180820996).

Almost surely, 2^8722544329 is an apocalyptic number.

It is an amenable number.

8722544329 is a deficient number, since it is larger than the sum of its proper divisors (739655).

8722544329 is a wasteful number, since it uses less digits than its factorization.

8722544329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739654.

The product of its digits is 967680, while the sum is 46.

The square root of 8722544329 is about 93394.5626308084. The cubic root of 8722544329 is about 2058.4851030505.

The spelling of 8722544329 in words is "eight billion, seven hundred twenty-two million, five hundred forty-four thousand, three hundred twenty-nine".