127833421444 has 27 divisors (see below), whose sum is σ = 228076660623. Its totient is φ = 62692143072.

The previous prime is 127833421427. The next prime is 127833421451. The reversal of 127833421444 is 444124338721.

The square root of 127833421444 is 357538.

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

It can be written as a sum of positive squares in 4 ways, for example, as 79784781444 + 48048640000 = 282462^2 + 219200^2 .

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 127833421444.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 37897342 + ... + 37900714.

Almost surely, 2^127833421444 is an apocalyptic number.

127833421444 is the 357538-th square number.

It is an amenable number.

127833421444 is a deficient number, since it is larger than the sum of its proper divisors (100243239179).

127833421444 is an frugal number, since it uses more digits than its factorization.

127833421444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6856 (or 3428 counting only the distinct ones).

The product of its digits is 516096, while the sum is 43.

The spelling of 127833421444 in words is "one hundred twenty-seven billion, eight hundred thirty-three million, four hundred twenty-one thousand, four hundred forty-four".