38962770779 has 2 divisors, whose sum is σ = 38962770780. Its totient is φ = 38962770778.

The previous prime is 38962770719. The next prime is 38962770811. The reversal of 38962770779 is 97707726983.

38962770779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (97707726983) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38962770779 is a prime.

It is not a weakly prime, because it can be changed into another prime (38962770719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19481385389 + 19481385390.

It is an arithmetic number, because the mean of its divisors is an integer number (19481385390).

Almost surely, 2^38962770779 is an apocalyptic number.

38962770779 is a deficient number, since it is larger than the sum of its proper divisors (1).

38962770779 is an equidigital number, since it uses as much as digits as its factorization.

38962770779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56010528, while the sum is 65.

The spelling of 38962770779 in words is "thirty-eight billion, nine hundred sixty-two million, seven hundred seventy thousand, seven hundred seventy-nine".