77710660394111 has 2 divisors, whose sum is σ = 77710660394112. Its totient is φ = 77710660394110.

The previous prime is 77710660394051. The next prime is 77710660394249. The reversal of 77710660394111 is 11149306601777.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (11149306601777) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77710660394111 - 2⁴⁶ = 7341916216447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77710660394611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38855330197055 + 38855330197056.

It is an arithmetic number, because the mean of its divisors is an integer number (38855330197056).

Almost surely, 2^{77710660394111} is an apocalyptic number.

77710660394111 is a deficient number, since it is larger than the sum of its proper divisors (1).

77710660394111 is an equidigital number, since it uses as much as digits as its factorization.

77710660394111 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 53.

Adding to 77710660394111 its reverse (11149306601777), we get a palindrome (88859966995888).

The spelling of 77710660394111 in words is "seventy-seven trillion, seven hundred ten billion, six hundred sixty million, three hundred ninety-four thousand, one hundred eleven".