8377944497743 has 2 divisors, whose sum is σ = 8377944497744. Its totient is φ = 8377944497742.

The previous prime is 8377944497669. The next prime is 8377944497773. The reversal of 8377944497743 is 3477944497738.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8377944497743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8377944497743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8377944497773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4188972248871 + 4188972248872.

It is an arithmetic number, because the mean of its divisors is an integer number (4188972248872).

Almost surely, 2^{8377944497743} is an apocalyptic number.

8377944497743 is a deficient number, since it is larger than the sum of its proper divisors (1).

8377944497743 is an equidigital number, since it uses as much as digits as its factorization.

8377944497743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3584673792, while the sum is 76.

The spelling of 8377944497743 in words is "eight trillion, three hundred seventy-seven billion, nine hundred forty-four million, four hundred ninety-seven thousand, seven hundred forty-three".