438275787874305 has 16 divisors (see below), whose sum is σ = 705440310067584. Its totient is φ = 232347403710080.

The previous prime is 438275787874273. The next prime is 438275787874307. The reversal of 438275787874305 is 503478787572834.

It is not a de Polignac number, because 438275787874305 - 2⁵ = 438275787874273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (438275787874307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87480194676 + ... + 87480199685.

It is an arithmetic number, because the mean of its divisors is an integer number (44090019379224).

Almost surely, 2^{438275787874305} is an apocalyptic number.

It is an amenable number.

438275787874305 is a deficient number, since it is larger than the sum of its proper divisors (267164522193279).

438275787874305 is a wasteful number, since it uses less digits than its factorization.

438275787874305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174960394536.

The product of its (nonzero) digits is 8851046400, while the sum is 78.

The spelling of 438275787874305 in words is "four hundred thirty-eight trillion, two hundred seventy-five billion, seven hundred eighty-seven million, eight hundred seventy-four thousand, three hundred five".