3838257825285 has 48 divisors (see below), whose sum is σ = 6684408581184. Its totient is φ = 1879812919296.

The previous prime is 3838257825257. The next prime is 3838257825293. The reversal of 3838257825285 is 5825287528383.

It is not a de Polignac number, because 3838257825285 - 2¹⁷ = 3838257694213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3433299 + ... + 4411808.

It is an arithmetic number, because the mean of its divisors is an integer number (139258512108).

Almost surely, 2^{3838257825285} is an apocalyptic number.

It is an amenable number.

3838257825285 is a deficient number, since it is larger than the sum of its proper divisors (2846150755899).

3838257825285 is a wasteful number, since it uses less digits than its factorization.

3838257825285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7845334 (or 7845321 counting only the distinct ones).

The product of its digits is 258048000, while the sum is 66.

The spelling of 3838257825285 in words is "three trillion, eight hundred thirty-eight billion, two hundred fifty-seven million, eight hundred twenty-five thousand, two hundred eighty-five".