438927971327 has 16 divisors (see below), whose sum is σ = 480700800000. Its totient is φ = 398981185920.

The previous prime is 438927971269. The next prime is 438927971353. The reversal of 438927971327 is 723179729834.

It is a cyclic number.

It is not a de Polignac number, because 438927971327 - 2⁸ = 438927971071 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 438927971327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438927971627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571577 + ... + 1097522.

It is an arithmetic number, because the mean of its divisors is an integer number (30043800000).

Almost surely, 2^438927971327 is an apocalyptic number.

438927971327 is a deficient number, since it is larger than the sum of its proper divisors (41772828673).

438927971327 is a wasteful number, since it uses less digits than its factorization.

438927971327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669646.

The product of its digits is 32006016, while the sum is 62.

The spelling of 438927971327 in words is "four hundred thirty-eight billion, nine hundred twenty-seven million, nine hundred seventy-one thousand, three hundred twenty-seven".