8348747321 has 4 divisors (see below), whose sum is σ = 8351567952. Its totient is φ = 8345926692.

The previous prime is 8348747293. The next prime is 8348747327. The reversal of 8348747321 is 1237478438.

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.

It is a cyclic number.

It is not a de Polignac number, because 8348747321 - 2¹⁴ = 8348730937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8348747327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1405871 + ... + 1411796.

It is an arithmetic number, because the mean of its divisors is an integer number (2087891988).

Almost surely, 2^8348747321 is an apocalyptic number.

It is an amenable number.

8348747321 is a deficient number, since it is larger than the sum of its proper divisors (2820631).

8348747321 is a wasteful number, since it uses less digits than its factorization.

8348747321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820630.

The product of its digits is 903168, while the sum is 47.

The square root of 8348747321 is about 91371.4798008657. The cubic root of 8348747321 is about 2028.6499084286.

The spelling of 8348747321 in words is "eight billion, three hundred forty-eight million, seven hundred forty-seven thousand, three hundred twenty-one".