3864727181226 has 8 divisors (see below), whose sum is σ = 7729454362464. Its totient is φ = 1288242393740.

The previous prime is 3864727181209. The next prime is 3864727181251. The reversal of 3864727181226 is 6221817274683.

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

3864727181226 is an admirable number.

It is a super-2 number, since 2×3864727181226² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322060598430 + ... + 322060598441.

It is an arithmetic number, because the mean of its divisors is an integer number (966181795308).

Almost surely, 2^{3864727181226} is an apocalyptic number.

3864727181226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3864727181226 is a wasteful number, since it uses less digits than its factorization.

3864727181226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644121196876.

The product of its digits is 10838016, while the sum is 57.

The spelling of 3864727181226 in words is "three trillion, eight hundred sixty-four billion, seven hundred twenty-seven million, one hundred eighty-one thousand, two hundred twenty-six".