3870188333385 has 16 divisors (see below), whose sum is σ = 6755237818560. Its totient is φ = 1876454949440.

The previous prime is 3870188333377. The next prime is 3870188333387. The reversal of 3870188333385 is 5833338810783.

It is a happy number.

It is not a de Polignac number, because 3870188333385 - 2³ = 3870188333377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3870188333387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11727843270 + ... + 11727843599.

It is an arithmetic number, because the mean of its divisors is an integer number (422202363660).

Almost surely, 2^{3870188333385} is an apocalyptic number.

It is an amenable number.

3870188333385 is a deficient number, since it is larger than the sum of its proper divisors (2885049485175).

3870188333385 is a wasteful number, since it uses less digits than its factorization.

3870188333385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23455686888.

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 3870188333385 in words is "three trillion, eight hundred seventy billion, one hundred eighty-eight million, three hundred thirty-three thousand, three hundred eighty-five".