1344445788887 has 2 divisors, whose sum is σ = 1344445788888. Its totient is φ = 1344445788886.

The previous prime is 1344445788869. The next prime is 1344445788913. The reversal of 1344445788887 is 7888875444431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1344445788887 - 2¹⁴ = 1344445772503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1344445788887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344445788187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672222894443 + 672222894444.

It is an arithmetic number, because the mean of its divisors is an integer number (672222894444).

Almost surely, 2^{1344445788887} is an apocalyptic number.

1344445788887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344445788887 is an equidigital number, since it uses as much as digits as its factorization.

1344445788887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 770703360, while the sum is 71.

The spelling of 1344445788887 in words is "one trillion, three hundred forty-four billion, four hundred forty-five million, seven hundred eighty-eight thousand, eight hundred eighty-seven".