3867842423755 has 4 divisors (see below), whose sum is σ = 4641410908512. Its totient is φ = 3094273939000.

The previous prime is 3867842423747. The next prime is 3867842423759. The reversal of 3867842423755 is 5573242487683.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3867842423755 - 2³ = 3867842423747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3867842423759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386784242371 + ... + 386784242380.

It is an arithmetic number, because the mean of its divisors is an integer number (1160352727128).

Almost surely, 2^{3867842423755} is an apocalyptic number.

3867842423755 is a deficient number, since it is larger than the sum of its proper divisors (773568484757).

3867842423755 is an equidigital number, since it uses as much as digits as its factorization.

3867842423755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773568484756.

The product of its digits is 270950400, while the sum is 64.

The spelling of 3867842423755 in words is "three trillion, eight hundred sixty-seven billion, eight hundred forty-two million, four hundred twenty-three thousand, seven hundred fifty-five".