8248943665 has 8 divisors (see below), whose sum is σ = 9899239680. Its totient is φ = 6598816752.

The previous prime is 8248943663. The next prime is 8248943669. The reversal of 8248943665 is 5663498428.

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 8248943665 - 2¹ = 8248943663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8248943663) 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, 125802 + ... + 179788.

It is an arithmetic number, because the mean of its divisors is an integer number (1237404960).

Almost surely, 2^8248943665 is an apocalyptic number.

It is an amenable number.

8248943665 is a deficient number, since it is larger than the sum of its proper divisors (1650296015).

8248943665 is a wasteful number, since it uses less digits than its factorization.

8248943665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84551.

The product of its digits is 9953280, while the sum is 55.

The square root of 8248943665 is about 90823.6955039818. The cubic root of 8248943665 is about 2020.5337661598.

The spelling of 8248943665 in words is "eight billion, two hundred forty-eight million, nine hundred forty-three thousand, six hundred sixty-five".