8787444361 has 4 divisors (see below), whose sum is σ = 8953245252. Its totient is φ = 8621643472.

The previous prime is 8787444359. The next prime is 8787444371. The reversal of 8787444361 is 1634447878.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2877678736 + 5909765625 = 53644^2 + 76875^2 .

It is a cyclic number.

It is not a de Polignac number, because 8787444361 - 2¹ = 8787444359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8787444299 and 8787444308.

It is not an unprimeable number, because it can be changed into a prime (8787444371) 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, 82900366 + ... + 82900471.

It is an arithmetic number, because the mean of its divisors is an integer number (2238311313).

Almost surely, 2^8787444361 is an apocalyptic number.

It is an amenable number.

8787444361 is a deficient number, since it is larger than the sum of its proper divisors (165800891).

8787444361 is a wasteful number, since it uses less digits than its factorization.

8787444361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165800890.

The product of its digits is 3612672, while the sum is 52.

The square root of 8787444361 is about 93741.3695280798. The cubic root of 8787444361 is about 2063.5778744362.

The spelling of 8787444361 in words is "eight billion, seven hundred eighty-seven million, four hundred forty-four thousand, three hundred sixty-one".