38566380077 has 2 divisors, whose sum is σ = 38566380078. Its totient is φ = 38566380076.

The previous prime is 38566380053. The next prime is 38566380103. The reversal of 38566380077 is 77008366583.

38566380077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36646976356 + 1919403721 = 191434^2 + 43811^2 .

It is an emirp because it is prime and its reverse (77008366583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38566380077 - 2⁸ = 38566379821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38566380007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19283190038 + 19283190039.

It is an arithmetic number, because the mean of its divisors is an integer number (19283190039).

Almost surely, 2^38566380077 is an apocalyptic number.

It is an amenable number.

38566380077 is a deficient number, since it is larger than the sum of its proper divisors (1).

38566380077 is an equidigital number, since it uses as much as digits as its factorization.

38566380077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 38566380077 in words is "thirty-eight billion, five hundred sixty-six million, three hundred eighty thousand, seventy-seven".