438438342287487 has 8 divisors (see below), whose sum is σ = 585471534468480. Its totient is φ = 291848689149080.

The previous prime is 438438342287423. The next prime is 438438342287497. The reversal of 438438342287487 is 784782243834834.

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

It is a cyclic number.

It is not a de Polignac number, because 438438342287487 - 2⁶ = 438438342287423 is a prime.

It is a super-3 number, since 3×438438342287487³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438438342287497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110884758339 + ... + 110884762292.

It is an arithmetic number, because the mean of its divisors is an integer number (73183941808560).

Almost surely, 2^{438438342287487} is an apocalyptic number.

438438342287487 is a deficient number, since it is larger than the sum of its proper divisors (147033192180993).

438438342287487 is a wasteful number, since it uses less digits than its factorization.

438438342287487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221769521293.

The product of its digits is 5549064192, while the sum is 75.

The spelling of 438438342287487 in words is "four hundred thirty-eight trillion, four hundred thirty-eight billion, three hundred forty-two million, two hundred eighty-seven thousand, four hundred eighty-seven".