77135744143 has 2 divisors, whose sum is σ = 77135744144. Its totient is φ = 77135744142.

The previous prime is 77135744131. The next prime is 77135744149. The reversal of 77135744143 is 34144753177.

It is a strong prime.

It is an emirp because it is prime and its reverse (34144753177) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77135744143 - 2¹³ = 77135735951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77135744093 and 77135744102.

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 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, 38567872071 + 38567872072.

It is an arithmetic number, because the mean of its divisors is an integer number (38567872072).

Almost surely, 2^77135744143 is an apocalyptic number.

77135744143 is a deficient number, since it is larger than the sum of its proper divisors (1).

77135744143 is an equidigital number, since it uses as much as digits as its factorization.

77135744143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 987840, while the sum is 46.

The spelling of 77135744143 in words is "seventy-seven billion, one hundred thirty-five million, seven hundred forty-four thousand, one hundred forty-three".