77770380114689 has 2 divisors, whose sum is σ = 77770380114690. Its totient is φ = 77770380114688.

The previous prime is 77770380114683. The next prime is 77770380114821. The reversal of 77770380114689 is 98641108307777.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72247960014400 + 5522420100289 = 8499880^2 + 2349983^2 .

It is a cyclic number.

It is not a de Polignac number, because 77770380114689 - 2⁸ = 77770380114433 is a prime.

It is not a weakly prime, because it can be changed into another prime (77770380114683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38885190057344 + 38885190057345.

It is an arithmetic number, because the mean of its divisors is an integer number (38885190057345).

Almost surely, 2^{77770380114689} is an apocalyptic number.

It is an amenable number.

77770380114689 is a deficient number, since it is larger than the sum of its proper divisors (1).

77770380114689 is an equidigital number, since it uses as much as digits as its factorization.

77770380114689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 99574272, while the sum is 68.

The spelling of 77770380114689 in words is "seventy-seven trillion, seven hundred seventy billion, three hundred eighty million, one hundred fourteen thousand, six hundred eighty-nine".