3938255775 has 48 divisors (see below), whose sum is σ = 7309428000. Its totient is φ = 2078714880.

The previous prime is 3938255771. The next prime is 3938255833. The reversal of 3938255775 is 5775528393.

3938255775 is a `hidden beast` number, since 3 + 9 + 3 + 82 + 557 + 7 + 5 = 666.

It is not a de Polignac number, because 3938255775 - 2² = 3938255771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3938255771) 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 in 47 ways as a sum of consecutive naturals, for example, 35401 + ... + 95549.

It is an arithmetic number, because the mean of its divisors is an integer number (152279750).

Almost surely, 2^3938255775 is an apocalyptic number.

3938255775 is a deficient number, since it is larger than the sum of its proper divisors (3371172225).

3938255775 is a wasteful number, since it uses less digits than its factorization.

3938255775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60265 (or 60254 counting only the distinct ones).

The product of its digits is 7938000, while the sum is 54.

The square root of 3938255775 is about 62755.5238604539. The cubic root of 3938255775 is about 1579.1909246263.

The spelling of 3938255775 in words is "three billion, nine hundred thirty-eight million, two hundred fifty-five thousand, seven hundred seventy-five".