77371152143 has 2 divisors, whose sum is σ = 77371152144. Its totient is φ = 77371152142.

The previous prime is 77371152139. The next prime is 77371152161. The reversal of 77371152143 is 34125117377.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77371152143 - 2² = 77371152139 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77371152143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77371152113) 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, 38685576071 + 38685576072.

It is an arithmetic number, because the mean of its divisors is an integer number (38685576072).

Almost surely, 2^77371152143 is an apocalyptic number.

77371152143 is a deficient number, since it is larger than the sum of its proper divisors (1).

77371152143 is an equidigital number, since it uses as much as digits as its factorization.

77371152143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 123480, while the sum is 41.

The spelling of 77371152143 in words is "seventy-seven billion, three hundred seventy-one million, one hundred fifty-two thousand, one hundred forty-three".