3927385385085 has 32 divisors (see below), whose sum is σ = 6382817925120. Its totient is φ = 2061848651328.

The previous prime is 3927385385071. The next prime is 3927385385149. The reversal of 3927385385085 is 5805835837293.

3927385385085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3927385385085 - 2¹⁴ = 3927385368701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7352755 + ... + 7868784.

It is an arithmetic number, because the mean of its divisors is an integer number (199463060160).

Almost surely, 2^{3927385385085} is an apocalyptic number.

It is an amenable number.

3927385385085 is a deficient number, since it is larger than the sum of its proper divisors (2455432540035).

3927385385085 is a wasteful number, since it uses less digits than its factorization.

3927385385085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15221817.

The product of its (nonzero) digits is 217728000, while the sum is 66.

The spelling of 3927385385085 in words is "three trillion, nine hundred twenty-seven billion, three hundred eighty-five million, three hundred eighty-five thousand, eighty-five".