77360699693 has 2 divisors, whose sum is σ = 77360699694. Its totient is φ = 77360699692.

The previous prime is 77360699659. The next prime is 77360699699. The reversal of 77360699693 is 39699606377.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67768064329 + 9592635364 = 260323^2 + 97942^2 .

It is a cyclic number.

It is not a de Polignac number, because 77360699693 - 2⁶ = 77360699629 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77360699699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38680349846 + 38680349847.

It is an arithmetic number, because the mean of its divisors is an integer number (38680349847).

Almost surely, 2^77360699693 is an apocalyptic number.

It is an amenable number.

77360699693 is a deficient number, since it is larger than the sum of its proper divisors (1).

77360699693 is an equidigital number, since it uses as much as digits as its factorization.

77360699693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69441624, while the sum is 65.

The spelling of 77360699693 in words is "seventy-seven billion, three hundred sixty million, six hundred ninety-nine thousand, six hundred ninety-three".