3857385712438 has 8 divisors (see below), whose sum is σ = 5786223786432. Its totient is φ = 1928644450296.

The previous prime is 3857385712429. The next prime is 3857385712507. The reversal of 3857385712438 is 8342175837583.

3857385712438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3857385712438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24103270 + ... + 24262777.

It is an arithmetic number, because the mean of its divisors is an integer number (723277973304).

Almost surely, 2^{3857385712438} is an apocalyptic number.

3857385712438 is a deficient number, since it is larger than the sum of its proper divisors (1928838073994).

3857385712438 is a wasteful number, since it uses less digits than its factorization.

3857385712438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48405926.

The product of its digits is 135475200, while the sum is 64.

The spelling of 3857385712438 in words is "three trillion, eight hundred fifty-seven billion, three hundred eighty-five million, seven hundred twelve thousand, four hundred thirty-eight".