38337765677 has 2 divisors, whose sum is σ = 38337765678. Its totient is φ = 38337765676.

The previous prime is 38337765649. The next prime is 38337765703. The reversal of 38337765677 is 77656773383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35381233801 + 2956531876 = 188099^2 + 54374^2 .

It is a cyclic number.

It is not a de Polignac number, because 38337765677 - 2¹⁴ = 38337749293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38337765617) 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, 19168882838 + 19168882839.

It is an arithmetic number, because the mean of its divisors is an integer number (19168882839).

Almost surely, 2^38337765677 is an apocalyptic number.

It is an amenable number.

38337765677 is a deficient number, since it is larger than the sum of its proper divisors (1).

38337765677 is an equidigital number, since it uses as much as digits as its factorization.

38337765677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93350880, while the sum is 62.

The spelling of 38337765677 in words is "thirty-eight billion, three hundred thirty-seven million, seven hundred sixty-five thousand, six hundred seventy-seven".