3878338706423 has 4 divisors (see below), whose sum is σ = 3878417142600. Its totient is φ = 3878260270248.

The previous prime is 3878338706419. The next prime is 3878338706441. The reversal of 3878338706423 is 3246078338783.

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

It is a cyclic number.

It is not a de Polignac number, because 3878338706423 - 2² = 3878338706419 is a prime.

It is a super-2 number, since 2×3878338706423² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878338706623) 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, 39143873 + ... + 39242826.

It is an arithmetic number, because the mean of its divisors is an integer number (969604285650).

Almost surely, 2^{3878338706423} is an apocalyptic number.

3878338706423 is a deficient number, since it is larger than the sum of its proper divisors (78436177).

3878338706423 is an equidigital number, since it uses as much as digits as its factorization.

3878338706423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78436176.

The product of its (nonzero) digits is 97542144, while the sum is 62.

The spelling of 3878338706423 in words is "three trillion, eight hundred seventy-eight billion, three hundred thirty-eight million, seven hundred six thousand, four hundred twenty-three".