8844449977445 has 16 divisors (see below), whose sum is σ = 10983750165360. Its totient is φ = 6828816873984.

The previous prime is 8844449977421. The next prime is 8844449977513. The reversal of 8844449977445 is 5447799444488.

It is a Cunningham number, because it is equal to 2973962²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 6155030116 + 8838294947329 = 78454^2 + 2972927^2 .

It is a cyclic number.

It is not a de Polignac number, because 8844449977445 - 2⁸ = 8844449977189 is a prime.

It is a super-2 number, since 2×8844449977445² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11953352 + ... + 12671681.

It is an arithmetic number, because the mean of its divisors is an integer number (686484385335).

Almost surely, 2^{8844449977445} is an apocalyptic number.

It is an amenable number.

8844449977445 is a deficient number, since it is larger than the sum of its proper divisors (2139300187915).

8844449977445 is a wasteful number, since it uses less digits than its factorization.

8844449977445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24627544.

The product of its digits is 5202247680, while the sum is 77.

The spelling of 8844449977445 in words is "eight trillion, eight hundred forty-four billion, four hundred forty-nine million, nine hundred seventy-seven thousand, four hundred forty-five".