3865213327 has 4 divisors (see below), whose sum is σ = 3865598856. Its totient is φ = 3864827800.

The previous prime is 3865213243. The next prime is 3865213337. The reversal of 3865213327 is 7233125683.

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 3865213327 - 2⁷ = 3865213199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3865213327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865213337) 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, 177313 + ... + 197914.

It is an arithmetic number, because the mean of its divisors is an integer number (966399714).

Almost surely, 2^3865213327 is an apocalyptic number.

3865213327 is a deficient number, since it is larger than the sum of its proper divisors (385529).

3865213327 is a wasteful number, since it uses less digits than its factorization.

3865213327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385528.

The product of its digits is 181440, while the sum is 40.

The square root of 3865213327 is about 62170.8398447375. The cubic root of 3865213327 is about 1569.3669032458.

The spelling of 3865213327 in words is "three billion, eight hundred sixty-five million, two hundred thirteen thousand, three hundred twenty-seven".