8855017392849 has 16 divisors (see below), whose sum is σ = 12081369636864. Its totient is φ = 5766007438800.

The previous prime is 8855017392821. The next prime is 8855017392857. The reversal of 8855017392849 is 9482937105588.

It is not a de Polignac number, because 8855017392849 - 2⁷ = 8855017392721 is a prime.

It is a super-2 number, since 2×8855017392849² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8855017392649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19626304 + ... + 20072414.

It is an arithmetic number, because the mean of its divisors is an integer number (755085602304).

Almost surely, 2^{8855017392849} is an apocalyptic number.

It is an amenable number.

8855017392849 is a deficient number, since it is larger than the sum of its proper divisors (3226352244015).

8855017392849 is a wasteful number, since it uses less digits than its factorization.

8855017392849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600028.

The product of its (nonzero) digits is 174182400, while the sum is 69.

The spelling of 8855017392849 in words is "eight trillion, eight hundred fifty-five billion, seventeen million, three hundred ninety-two thousand, eight hundred forty-nine".