8343366985 has 8 divisors (see below), whose sum is σ = 10282636296. Its totient is φ = 6494296320.

The previous prime is 8343366973. The next prime is 8343367061. The reversal of 8343366985 is 5896633438.

It can be written as a sum of positive squares in 4 ways, for example, as 3463087104 + 4880279881 = 58848^2 + 69859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8343366985 - 2¹¹ = 8343364937 is a prime.

It is a super-2 number, since 2×8343366985² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22549456 + ... + 22549825.

It is an arithmetic number, because the mean of its divisors is an integer number (1285329537).

Almost surely, 2^8343366985 is an apocalyptic number.

It is an amenable number.

8343366985 is a deficient number, since it is larger than the sum of its proper divisors (1939269311).

8343366985 is a wasteful number, since it uses less digits than its factorization.

8343366985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45099323.

The product of its digits is 11197440, while the sum is 55.

The square root of 8343366985 is about 91342.0329585454. The cubic root of 8343366985 is about 2028.2140281209.

The spelling of 8343366985 in words is "eight billion, three hundred forty-three million, three hundred sixty-six thousand, nine hundred eighty-five".