884221146523853 has 4 divisors (see below), whose sum is σ = 908119015348860. Its totient is φ = 860323277698848.

The previous prime is 884221146523787. The next prime is 884221146523931. The reversal of 884221146523853 is 358325641122488.

884221146523853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 390799246061449 + 493421900462404 = 19768643^2 + 22213102^2 .

It is a cyclic number.

It is not a de Polignac number, because 884221146523853 - 2¹⁴ = 884221146507469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (884221146523453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11948934412448 + ... + 11948934412521.

It is an arithmetic number, because the mean of its divisors is an integer number (227029753837215).

Almost surely, 2^{884221146523853} is an apocalyptic number.

It is an amenable number.

884221146523853 is a deficient number, since it is larger than the sum of its proper divisors (23897868825007).

884221146523853 is a wasteful number, since it uses less digits than its factorization.

884221146523853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23897868825006.

The product of its digits is 88473600, while the sum is 62.

The spelling of 884221146523853 in words is "eight hundred eighty-four trillion, two hundred twenty-one billion, one hundred forty-six million, five hundred twenty-three thousand, eight hundred fifty-three".