44887009 has 2 divisors, whose sum is σ = 44887010. Its totient is φ = 44887008.

The previous prime is 44886991. The next prime is 44887049. The reversal of 44887009 is 90078844.

It is an a-pointer prime, because the next prime (44887049) can be obtained adding 44887009 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34774609 + 10112400 = 5897^2 + 3180^2 .

It is a cyclic number.

It is not a de Polignac number, because 44887009 - 2¹⁷ = 44755937 is a prime.

It is not a weakly prime, because it can be changed into another prime (44887049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22443504 + 22443505.

It is an arithmetic number, because the mean of its divisors is an integer number (22443505).

Almost surely, 2^44887009 is an apocalyptic number.

It is an amenable number.

44887009 is a deficient number, since it is larger than the sum of its proper divisors (1).

44887009 is an equidigital number, since it uses as much as digits as its factorization.

44887009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 44887009 is about 6699.7767873266. The cubic root of 44887009 is about 355.3913795029.

The spelling of 44887009 in words is "forty-four million, eight hundred eighty-seven thousand, nine".