44438807887 has 2 divisors, whose sum is σ = 44438807888. Its totient is φ = 44438807886.

The previous prime is 44438807797. The next prime is 44438807899. The reversal of 44438807887 is 78870883444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44438807887 - 2⁷ = 44438807759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44438877887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22219403943 + 22219403944.

It is an arithmetic number, because the mean of its divisors is an integer number (22219403944).

Almost surely, 2^44438807887 is an apocalyptic number.

44438807887 is a deficient number, since it is larger than the sum of its proper divisors (1).

44438807887 is an equidigital number, since it uses as much as digits as its factorization.

44438807887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38535168, while the sum is 61.

The spelling of 44438807887 in words is "forty-four billion, four hundred thirty-eight million, eight hundred seven thousand, eight hundred eighty-seven".