8347981823 has 8 divisors (see below), whose sum is σ = 8523273600. Its totient is φ = 8173348768.

The previous prime is 8347981819. The next prime is 8347981841. The reversal of 8347981823 is 3281897438.

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 8347981823 - 2² = 8347981819 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8347981853) 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, 139028 + ... + 189801.

It is an arithmetic number, because the mean of its divisors is an integer number (1065409200).

Almost surely, 2^8347981823 is an apocalyptic number.

8347981823 is a deficient number, since it is larger than the sum of its proper divisors (175291777).

8347981823 is a wasteful number, since it uses less digits than its factorization.

8347981823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329361.

The product of its digits is 2322432, while the sum is 53.

The square root of 8347981823 is about 91367.2907719168. The cubic root of 8347981823 is about 2028.5879041201.

The spelling of 8347981823 in words is "eight billion, three hundred forty-seven million, nine hundred eighty-one thousand, eight hundred twenty-three".