3838724665886 has 16 divisors (see below), whose sum is σ = 6281866443888. Its totient is φ = 1744786795200.

The previous prime is 3838724665849. The next prime is 3838724665889. The reversal of 3838724665886 is 6885664278383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3838724665889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3955775 + ... + 4829658.

It is an arithmetic number, because the mean of its divisors is an integer number (392616652743).

Almost surely, 2^{3838724665886} is an apocalyptic number.

3838724665886 is a deficient number, since it is larger than the sum of its proper divisors (2443141778002).

3838724665886 is a wasteful number, since it uses less digits than its factorization.

3838724665886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8805307.

The product of its digits is 2229534720, while the sum is 74.

The spelling of 3838724665886 in words is "three trillion, eight hundred thirty-eight billion, seven hundred twenty-four million, six hundred sixty-five thousand, eight hundred eighty-six".