8549127829 has 12 divisors (see below), whose sum is σ = 9405448780. Its totient is φ = 7764926400.

The previous prime is 8549127781. The next prime is 8549127859. The reversal of 8549127829 is 9287219458.

It can be written as a sum of positive squares in 2 ways, for example, as 5222952900 + 3326174929 = 72270^2 + 57673^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8549127829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8549127829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8549127859) 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 11 ways as a sum of consecutive naturals, for example, 105319 + ... + 167899.

Almost surely, 2^8549127829 is an apocalyptic number.

It is an amenable number.

8549127829 is a deficient number, since it is larger than the sum of its proper divisors (856320951).

8549127829 is a wasteful number, since it uses less digits than its factorization.

8549127829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63732 (or 63721 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 55.

The square root of 8549127829 is about 92461.4937636203. The cubic root of 8549127829 is about 2044.7518208797.

The spelling of 8549127829 in words is "eight billion, five hundred forty-nine million, one hundred twenty-seven thousand, eight hundred twenty-nine".