77092207349 has 2 divisors, whose sum is σ = 77092207350. Its totient is φ = 77092207348.

The previous prime is 77092207303. The next prime is 77092207459. The reversal of 77092207349 is 94370229077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69891496900 + 7200710449 = 264370^2 + 84857^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77092207349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77092207297 and 77092207306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77092237349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38546103674 + 38546103675.

It is an arithmetic number, because the mean of its divisors is an integer number (38546103675).

Almost surely, 2^77092207349 is an apocalyptic number.

It is an amenable number.

77092207349 is a deficient number, since it is larger than the sum of its proper divisors (1).

77092207349 is an equidigital number, since it uses as much as digits as its factorization.

77092207349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 50.

The spelling of 77092207349 in words is "seventy-seven billion, ninety-two million, two hundred seven thousand, three hundred forty-nine".