4427636776361 has 8 divisors (see below), whose sum is σ = 4444856224200. Its totient is φ = 4410422957440.

The previous prime is 4427636776349. The next prime is 4427636776369. The reversal of 4427636776361 is 1636776367244.

It can be written as a sum of positive squares in 4 ways, for example, as 898029150736 + 3529607625625 = 947644^2 + 1878725^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4427636776361 - 2¹⁰ = 4427636775337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4427636776294 and 4427636776303.

It is not an unprimeable number, because it can be changed into a prime (4427636776369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172445 + ... + 2980773.

It is an arithmetic number, because the mean of its divisors is an integer number (555607028025).

Almost surely, 2^{4427636776361} is an apocalyptic number.

It is an amenable number.

4427636776361 is a deficient number, since it is larger than the sum of its proper divisors (17219447839).

4427636776361 is a wasteful number, since it uses less digits than its factorization.

4427636776361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814459.

The product of its digits is 128024064, while the sum is 62.

The spelling of 4427636776361 in words is "four trillion, four hundred twenty-seven billion, six hundred thirty-six million, seven hundred seventy-six thousand, three hundred sixty-one".