77103407443 has 2 divisors, whose sum is σ = 77103407444. Its totient is φ = 77103407442.

The previous prime is 77103407441. The next prime is 77103407467. The reversal of 77103407443 is 34470430177.

It is a weak prime.

It is an emirp because it is prime and its reverse (34470430177) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77103407443 - 2¹ = 77103407441 is a prime.

Together with 77103407441, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 77103407396 and 77103407405.

It is not a weakly prime, because it can be changed into another prime (77103407441) 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, 38551703721 + 38551703722.

It is an arithmetic number, because the mean of its divisors is an integer number (38551703722).

Almost surely, 2^77103407443 is an apocalyptic number.

77103407443 is a deficient number, since it is larger than the sum of its proper divisors (1).

77103407443 is an equidigital number, since it uses as much as digits as its factorization.

77103407443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 40.

The spelling of 77103407443 in words is "seventy-seven billion, one hundred three million, four hundred seven thousand, four hundred forty-three".