77444603123 has 2 divisors, whose sum is σ = 77444603124. Its totient is φ = 77444603122.

The previous prime is 77444603063. The next prime is 77444603167. The reversal of 77444603123 is 32130644477.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77444603123 - 2¹⁶ = 77444537587 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (77444603323) 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, 38722301561 + 38722301562.

It is an arithmetic number, because the mean of its divisors is an integer number (38722301562).

Almost surely, 2^77444603123 is an apocalyptic number.

77444603123 is a deficient number, since it is larger than the sum of its proper divisors (1).

77444603123 is an equidigital number, since it uses as much as digits as its factorization.

77444603123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 77444603123 in words is "seventy-seven billion, four hundred forty-four million, six hundred three thousand, one hundred twenty-three".