77968950383741 has 2 divisors, whose sum is σ = 77968950383742. Its totient is φ = 77968950383740.

The previous prime is 77968950383689. The next prime is 77968950383759. The reversal of 77968950383741 is 14738305986977.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57769804416025 + 20199145967716 = 7600645^2 + 4494346^2 .

It is a cyclic number.

It is not a de Polignac number, because 77968950383741 - 2⁴² = 73570903872637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77968950383761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38984475191870 + 38984475191871.

It is an arithmetic number, because the mean of its divisors is an integer number (38984475191871).

Almost surely, 2^{77968950383741} is an apocalyptic number.

It is an amenable number.

77968950383741 is a deficient number, since it is larger than the sum of its proper divisors (1).

77968950383741 is an equidigital number, since it uses as much as digits as its factorization.

77968950383741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920360960, while the sum is 77.

The spelling of 77968950383741 in words is "seventy-seven trillion, nine hundred sixty-eight billion, nine hundred fifty million, three hundred eighty-three thousand, seven hundred forty-one".