77135744159 has 2 divisors, whose sum is σ = 77135744160. Its totient is φ = 77135744158.

The previous prime is 77135744149. The next prime is 77135744167. The reversal of 77135744159 is 95144753177.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77135744159 - 2⁴ = 77135744143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77135744159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77135744149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38567872079 + 38567872080.

It is an arithmetic number, because the mean of its divisors is an integer number (38567872080).

Almost surely, 2^77135744159 is an apocalyptic number.

77135744159 is a deficient number, since it is larger than the sum of its proper divisors (1).

77135744159 is an equidigital number, since it uses as much as digits as its factorization.

77135744159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3704400, while the sum is 53.

The spelling of 77135744159 in words is "seventy-seven billion, one hundred thirty-five million, seven hundred forty-four thousand, one hundred fifty-nine".