3838867205205 has 8 divisors (see below), whose sum is σ = 6142187528352. Its totient is φ = 2047395842768.

The previous prime is 3838867205203. The next prime is 3838867205227. The reversal of 3838867205205 is 5025027688383.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3838867205205 - 2¹ = 3838867205203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3838867205203) 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, 127962240159 + ... + 127962240188.

It is an arithmetic number, because the mean of its divisors is an integer number (767773441044).

Almost surely, 2^{3838867205205} is an apocalyptic number.

It is an amenable number.

3838867205205 is a deficient number, since it is larger than the sum of its proper divisors (2303320323147).

3838867205205 is a wasteful number, since it uses less digits than its factorization.

3838867205205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255924480355.

The product of its (nonzero) digits is 19353600, while the sum is 57.

The spelling of 3838867205205 in words is "three trillion, eight hundred thirty-eight billion, eight hundred sixty-seven million, two hundred five thousand, two hundred five".