8820841987671 has 16 divisors (see below), whose sum is σ = 13661631932928. Its totient is φ = 4957850296800.

The previous prime is 8820841987631. The next prime is 8820841987681. The reversal of 8820841987671 is 1767891480288.

It is not a de Polignac number, because 8820841987671 - 2⁹ = 8820841987159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8820841987596 and 8820841987605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8820841987631) 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, 3442950315 + ... + 3442952876.

It is an arithmetic number, because the mean of its divisors is an integer number (853851995808).

Almost surely, 2^{8820841987671} is an apocalyptic number.

8820841987671 is a deficient number, since it is larger than the sum of its proper divisors (4840789945257).

8820841987671 is a wasteful number, since it uses less digits than its factorization.

8820841987671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6885903262.

The product of its (nonzero) digits is 86704128, while the sum is 69.

The spelling of 8820841987671 in words is "eight trillion, eight hundred twenty billion, eight hundred forty-one million, nine hundred eighty-seven thousand, six hundred seventy-one".