438288068671 has 8 divisors (see below), whose sum is σ = 441505033920. Its totient is φ = 435071361408.

The previous prime is 438288068663. The next prime is 438288068693. The reversal of 438288068671 is 176860882834.

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 438288068671 - 2³ = 438288068663 is a prime.

It is a super-2 number, since 2×438288068671² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438288068171) 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, 4552410 + ... + 4647688.

It is an arithmetic number, because the mean of its divisors is an integer number (55188129240).

Almost surely, 2^438288068671 is an apocalyptic number.

438288068671 is a deficient number, since it is larger than the sum of its proper divisors (3216965249).

438288068671 is a wasteful number, since it uses less digits than its factorization.

438288068671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128993.

The product of its (nonzero) digits is 24772608, while the sum is 61.

The spelling of 438288068671 in words is "four hundred thirty-eight billion, two hundred eighty-eight million, sixty-eight thousand, six hundred seventy-one".