77341331 has 2 divisors, whose sum is σ = 77341332. Its totient is φ = 77341330.

The previous prime is 77341291. The next prime is 77341333. The reversal of 77341331 is 13314377.

It is a strong prime.

It is an emirp because it is prime and its reverse (13314377) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77341331 is a prime.

It is a super-2 number, since 2×77341331² = 11963362961703122, which contains 22 as substring.

Together with 77341333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 77341294 and 77341303.

It is not a weakly prime, because it can be changed into another prime (77341333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38670665 + 38670666.

It is an arithmetic number, because the mean of its divisors is an integer number (38670666).

Almost surely, 2^77341331 is an apocalyptic number.

77341331 is a deficient number, since it is larger than the sum of its proper divisors (1).

77341331 is an equidigital number, since it uses as much as digits as its factorization.

77341331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292, while the sum is 29.

The square root of 77341331 is about 8794.3920199181. The cubic root of 77341331 is about 426.0597883125.

The spelling of 77341331 in words is "seventy-seven million, three hundred forty-one thousand, three hundred thirty-one".