77338341337 has 2 divisors, whose sum is σ = 77338341338. Its totient is φ = 77338341336.

The previous prime is 77338341329. The next prime is 77338341347. The reversal of 77338341337 is 73314383377.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71152361536 + 6185979801 = 266744^2 + 78651^2 .

It is a cyclic number.

It is not a de Polignac number, because 77338341337 - 2³ = 77338341329 is a prime.

It is not a weakly prime, because it can be changed into another prime (77338341307) 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, 38669170668 + 38669170669.

It is an arithmetic number, because the mean of its divisors is an integer number (38669170669).

Almost surely, 2^77338341337 is an apocalyptic number.

It is an amenable number.

77338341337 is a deficient number, since it is larger than the sum of its proper divisors (1).

77338341337 is an equidigital number, since it uses as much as digits as its factorization.

77338341337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2667168, while the sum is 49.

The spelling of 77338341337 in words is "seventy-seven billion, three hundred thirty-eight million, three hundred forty-one thousand, three hundred thirty-seven".