884801871221 has 4 divisors (see below), whose sum is σ = 885643738944. Its totient is φ = 883960003500.

The previous prime is 884801871139. The next prime is 884801871227. The reversal of 884801871221 is 122178108488.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 884801871221 - 2¹⁴ = 884801854837 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 884801871221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (884801871227) 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 3 ways as a sum of consecutive naturals, for example, 420932285 + ... + 420934386.

It is an arithmetic number, because the mean of its divisors is an integer number (221410934736).

Almost surely, 2^884801871221 is an apocalyptic number.

It is an amenable number.

884801871221 is a deficient number, since it is larger than the sum of its proper divisors (841867723).

884801871221 is a wasteful number, since it uses less digits than its factorization.

884801871221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841867722.

The product of its (nonzero) digits is 458752, while the sum is 50.

The spelling of 884801871221 in words is "eight hundred eighty-four billion, eight hundred one million, eight hundred seventy-one thousand, two hundred twenty-one".