8874444409 has 2 divisors, whose sum is σ = 8874444410. Its totient is φ = 8874444408.

The previous prime is 8874444373. The next prime is 8874444421. The reversal of 8874444409 is 9044444788.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5013064809 + 3861379600 = 70803^2 + 62140^2 .

It is a cyclic number.

It is not a de Polignac number, because 8874444409 - 2⁷ = 8874444281 is a prime.

It is not a weakly prime, because it can be changed into another prime (8874444809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4437222204 + 4437222205.

It is an arithmetic number, because the mean of its divisors is an integer number (4437222205).

Almost surely, 2^8874444409 is an apocalyptic number.

It is an amenable number.

8874444409 is a deficient number, since it is larger than the sum of its proper divisors (1).

8874444409 is an equidigital number, since it uses as much as digits as its factorization.

8874444409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4128768, while the sum is 52.

The square root of 8874444409 is about 94204.2695900775. The cubic root of 8874444409 is about 2070.3656700338.

The spelling of 8874444409 in words is "eight billion, eight hundred seventy-four million, four hundred forty-four thousand, four hundred nine".