438829895887 has 2 divisors, whose sum is σ = 438829895888. Its totient is φ = 438829895886.

The previous prime is 438829895813. The next prime is 438829895891. The reversal of 438829895887 is 788598928834.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-438829895887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (438829896887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219414947943 + 219414947944.

It is an arithmetic number, because the mean of its divisors is an integer number (219414947944).

Almost surely, 2^438829895887 is an apocalyptic number.

438829895887 is a deficient number, since it is larger than the sum of its proper divisors (1).

438829895887 is an equidigital number, since it uses as much as digits as its factorization.

438829895887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2229534720, while the sum is 79.

The spelling of 438829895887 in words is "four hundred thirty-eight billion, eight hundred twenty-nine million, eight hundred ninety-five thousand, eight hundred eighty-seven".