8661952223 has 8 divisors (see below), whose sum is σ = 8812245120. Its totient is φ = 8512277400.

The previous prime is 8661952219. The next prime is 8661952231. The reversal of 8661952223 is 3222591668.

8661952223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8661952223 - 2² = 8661952219 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 (8661952213) 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, 126203 + ... + 182348.

It is an arithmetic number, because the mean of its divisors is an integer number (1101530640).

Almost surely, 2^8661952223 is an apocalyptic number.

8661952223 is a deficient number, since it is larger than the sum of its proper divisors (150292897).

8661952223 is a wasteful number, since it uses less digits than its factorization.

8661952223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309037.

The product of its digits is 311040, while the sum is 44.

The square root of 8661952223 is about 93069.6095565035. The cubic root of 8661952223 is about 2053.7075261293.

The spelling of 8661952223 in words is "eight billion, six hundred sixty-one million, nine hundred fifty-two thousand, two hundred twenty-three".