441883121887 has 4 divisors (see below), whose sum is σ = 441901540080. Its totient is φ = 441864703696.

The previous prime is 441883121863. The next prime is 441883121893. The reversal of 441883121887 is 788121388144.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441883121887 is a prime.

It is a super-3 number, since 3×441883121887³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441883121857) 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, 9173062 + ... + 9221107.

It is an arithmetic number, because the mean of its divisors is an integer number (110475385020).

Almost surely, 2^441883121887 is an apocalyptic number.

441883121887 is a deficient number, since it is larger than the sum of its proper divisors (18418193).

441883121887 is a wasteful number, since it uses less digits than its factorization.

441883121887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18418192.

The product of its digits is 2752512, while the sum is 55.

The spelling of 441883121887 in words is "four hundred forty-one billion, eight hundred eighty-three million, one hundred twenty-one thousand, eight hundred eighty-seven".