77467546361 has 2 divisors, whose sum is σ = 77467546362. Its totient is φ = 77467546360.

The previous prime is 77467546333. The next prime is 77467546367. The reversal of 77467546361 is 16364576477.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72436339600 + 5031206761 = 269140^2 + 70931^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77467546361 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 77467546297 and 77467546306.

It is not a weakly prime, because it can be changed into another prime (77467546367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38733773180 + 38733773181.

It is an arithmetic number, because the mean of its divisors is an integer number (38733773181).

Almost surely, 2^77467546361 is an apocalyptic number.

It is an amenable number.

77467546361 is a deficient number, since it is larger than the sum of its proper divisors (1).

77467546361 is an equidigital number, since it uses as much as digits as its factorization.

77467546361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17781120, while the sum is 56.

The spelling of 77467546361 in words is "seventy-seven billion, four hundred sixty-seven million, five hundred forty-six thousand, three hundred sixty-one".