77092237349 has 2 divisors, whose sum is σ = 77092237350. Its totient is φ = 77092237348.

The previous prime is 77092237333. The next prime is 77092237351. The reversal of 77092237349 is 94373229077.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75991192225 + 1101045124 = 275665^2 + 33182^2 .

It is an emirp because it is prime and its reverse (94373229077) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77092237349 - 2⁴ = 77092237333 is a prime.

Together with 77092237351, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77092237349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77092237549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38546118674 + 38546118675.

It is an arithmetic number, because the mean of its divisors is an integer number (38546118675).

Almost surely, 2^77092237349 is an apocalyptic number.

It is an amenable number.

77092237349 is a deficient number, since it is larger than the sum of its proper divisors (1).

77092237349 is an equidigital number, since it uses as much as digits as its factorization.

77092237349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4000752, while the sum is 53.

The spelling of 77092237349 in words is "seventy-seven billion, ninety-two million, two hundred thirty-seven thousand, three hundred forty-nine".