3838537388887 has 4 divisors (see below), whose sum is σ = 3881667022560. Its totient is φ = 3795407755216.

The previous prime is 3838537388849. The next prime is 3838537388923. The reversal of 3838537388887 is 7888837358383.

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

It is a cyclic number.

It is not a de Polignac number, because 3838537388887 - 2¹⁹ = 3838536864599 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 (3838537328887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21564816703 + ... + 21564816880.

It is an arithmetic number, because the mean of its divisors is an integer number (970416755640).

Almost surely, 2^{3838537388887} is an apocalyptic number.

3838537388887 is a deficient number, since it is larger than the sum of its proper divisors (43129633673).

3838537388887 is an equidigital number, since it uses as much as digits as its factorization.

3838537388887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43129633672.

The product of its digits is 5202247680, while the sum is 79.

The spelling of 3838537388887 in words is "three trillion, eight hundred thirty-eight billion, five hundred thirty-seven million, three hundred eighty-eight thousand, eight hundred eighty-seven".