3838747377567 has 4 divisors (see below), whose sum is σ = 5118329836760. Its totient is φ = 2559164918376.

The previous prime is 3838747377547. The next prime is 3838747377611. The reversal of 3838747377567 is 7657737478383.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3838747377567 - 2¹⁰ = 3838747376543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3838747377527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639791229592 + ... + 639791229597.

It is an arithmetic number, because the mean of its divisors is an integer number (1279582459190).

Almost surely, 2^{3838747377567} is an apocalyptic number.

3838747377567 is a deficient number, since it is larger than the sum of its proper divisors (1279582459193).

3838747377567 is a wasteful number, since it uses less digits than its factorization.

3838747377567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279582459192.

The product of its digits is 3485099520, while the sum is 75.

The spelling of 3838747377567 in words is "three trillion, eight hundred thirty-eight billion, seven hundred forty-seven million, three hundred seventy-seven thousand, five hundred sixty-seven".