3838726561757 has 16 divisors (see below), whose sum is σ = 4015819527552. Its totient is φ = 3662494799040.

The previous prime is 3838726561741. The next prime is 3838726561771. The reversal of 3838726561757 is 7571656278383.

It is a cyclic number.

It is not a de Polignac number, because 3838726561757 - 2⁴ = 3838726561741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3838726561457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14160158 + ... + 14428704.

It is an arithmetic number, because the mean of its divisors is an integer number (250988720472).

Almost surely, 2^{3838726561757} is an apocalyptic number.

It is an amenable number.

3838726561757 is a deficient number, since it is larger than the sum of its proper divisors (177092965795).

3838726561757 is a wasteful number, since it uses less digits than its factorization.

3838726561757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270148.

The product of its digits is 355622400, while the sum is 68.

The spelling of 3838726561757 in words is "three trillion, eight hundred thirty-eight billion, seven hundred twenty-six million, five hundred sixty-one thousand, seven hundred fifty-seven".