8243248705 has 8 divisors (see below), whose sum is σ = 10412524800. Its totient is φ = 6247514736.

The previous prime is 8243248703. The next prime is 8243248709. The reversal of 8243248705 is 5078423428.

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 8243248705 - 2¹ = 8243248703 is a prime.

It is a super-2 number, since 2×8243248705² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8243248703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43385425 + ... + 43385614.

It is an arithmetic number, because the mean of its divisors is an integer number (1301565600).

Almost surely, 2^8243248705 is an apocalyptic number.

It is an amenable number.

8243248705 is a deficient number, since it is larger than the sum of its proper divisors (2169276095).

8243248705 is a wasteful number, since it uses less digits than its factorization.

8243248705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86771063.

The product of its (nonzero) digits is 430080, while the sum is 43.

The square root of 8243248705 is about 90792.3383606789. The cubic root of 8243248705 is about 2020.0686759810.

The spelling of 8243248705 in words is "eight billion, two hundred forty-three million, two hundred forty-eight thousand, seven hundred five".