5439977805376 has 21 divisors (see below), whose sum is σ = 10794992984139. Its totient is φ = 2719979573184.

The previous prime is 5439977805373. The next prime is 5439977805389. The reversal of 5439977805376 is 6735087799345.

The square root of 5439977805376 is 2332376.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5439977805299 and 5439977805308.

It is not an unprimeable number, because it can be changed into a prime (5439977805373) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 18513235 + ... + 18804781.

It is an arithmetic number, because the mean of its divisors is an integer number (514047284959).

Almost surely, 2^{5439977805376} is an apocalyptic number.

5439977805376 is the 2332376-th square number.

It is an amenable number.

5439977805376 is a deficient number, since it is larger than the sum of its proper divisors (5355015178763).

5439977805376 is an frugal number, since it uses more digits than its factorization.

5439977805376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583106 (or 291549 counting only the distinct ones).

The product of its (nonzero) digits is 1200225600, while the sum is 73.

The spelling of 5439977805376 in words is "five trillion, four hundred thirty-nine billion, nine hundred seventy-seven million, eight hundred five thousand, three hundred seventy-six".