8346844985 has 16 divisors (see below), whose sum is σ = 10537832592. Its totient is φ = 6338534400.

The previous prime is 8346844981. The next prime is 8346844993. The reversal of 8346844985 is 5894486438.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 768620176 + 7578224809 = 27724^2 + 87053^2 .

It is not a de Polignac number, because 8346844985 - 2² = 8346844981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8346844981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542636 + ... + 557805.

It is an arithmetic number, because the mean of its divisors is an integer number (658614537).

Almost surely, 2^8346844985 is an apocalyptic number.

It is an amenable number.

8346844985 is a deficient number, since it is larger than the sum of its proper divisors (2190987607).

8346844985 is a wasteful number, since it uses less digits than its factorization.

8346844985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100524.

The product of its digits is 26542080, while the sum is 59.

The square root of 8346844985 is about 91361.0693074463. The cubic root of 8346844985 is about 2028.4958147761.

The spelling of 8346844985 in words is "eight billion, three hundred forty-six million, eight hundred forty-four thousand, nine hundred eighty-five".