8330243881 has 4 divisors (see below), whose sum is σ = 8617493700. Its totient is φ = 8042994064.

The previous prime is 8330243879. The next prime is 8330243917. The reversal of 8330243881 is 1883420338.

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 3594602025 + 4735641856 = 59955^2 + 68816^2 .

It is a cyclic number.

It is not a de Polignac number, because 8330243881 - 2¹ = 8330243879 is a prime.

It is a super-2 number, since 2×8330243881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8330243851) 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 3 ways as a sum of consecutive naturals, for example, 143624866 + ... + 143624923.

It is an arithmetic number, because the mean of its divisors is an integer number (2154373425).

Almost surely, 2^8330243881 is an apocalyptic number.

It is an amenable number.

8330243881 is a deficient number, since it is larger than the sum of its proper divisors (287249819).

8330243881 is a wasteful number, since it uses less digits than its factorization.

8330243881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287249818.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 8330243881 is about 91270.1697215470. The cubic root of 8330243881 is about 2027.1500919146.

The spelling of 8330243881 in words is "eight billion, three hundred thirty million, two hundred forty-three thousand, eight hundred eighty-one".