77767634373043 has 2 divisors, whose sum is σ = 77767634373044. Its totient is φ = 77767634373042.

The previous prime is 77767634372951. The next prime is 77767634373047. The reversal of 77767634373043 is 34037343676777.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77767634373043 - 2³³ = 77759044438451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77767634373043.

It is not a weakly prime, because it can be changed into another prime (77767634373047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38883817186521 + 38883817186522.

It is an arithmetic number, because the mean of its divisors is an integer number (38883817186522).

Almost surely, 2^{77767634373043} is an apocalyptic number.

77767634373043 is a deficient number, since it is larger than the sum of its proper divisors (1).

77767634373043 is an equidigital number, since it uses as much as digits as its factorization.

77767634373043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784147392, while the sum is 67.

The spelling of 77767634373043 in words is "seventy-seven trillion, seven hundred sixty-seven billion, six hundred thirty-four million, three hundred seventy-three thousand, forty-three".