38387523745877 has 2 divisors, whose sum is σ = 38387523745878. Its totient is φ = 38387523745876.

The previous prime is 38387523745801. The next prime is 38387523745891. The reversal of 38387523745877 is 77854732578383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36413186823556 + 1974336922321 = 6034334^2 + 1405111^2 .

It is a cyclic number.

It is not a de Polignac number, because 38387523745877 - 2¹⁰ = 38387523744853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38387523745798 and 38387523745807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38387423745877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19193761872938 + 19193761872939.

It is an arithmetic number, because the mean of its divisors is an integer number (19193761872939).

Almost surely, 2^{38387523745877} is an apocalyptic number.

It is an amenable number.

38387523745877 is a deficient number, since it is larger than the sum of its proper divisors (1).

38387523745877 is an equidigital number, since it uses as much as digits as its factorization.

38387523745877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6638284800, while the sum is 77.

The spelling of 38387523745877 in words is "thirty-eight trillion, three hundred eighty-seven billion, five hundred twenty-three million, seven hundred forty-five thousand, eight hundred seventy-seven".