875006321217447 has 4 divisors (see below), whose sum is σ = 1166675094956600. Its totient is φ = 583337547478296.

The previous prime is 875006321217403. The next prime is 875006321217467. The reversal of 875006321217447 is 744712123600578.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 875006321217447 - 2²⁴ = 875006304440231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (875006321217467) 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, 145834386869572 + ... + 145834386869577.

It is an arithmetic number, because the mean of its divisors is an integer number (291668773739150).

Almost surely, 2^{875006321217447} is an apocalyptic number.

875006321217447 is a deficient number, since it is larger than the sum of its proper divisors (291668773739153).

875006321217447 is a wasteful number, since it uses less digits than its factorization.

875006321217447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291668773739152.

The product of its (nonzero) digits is 15805440, while the sum is 57.

The spelling of 875006321217447 in words is "eight hundred seventy-five trillion, six billion, three hundred twenty-one million, two hundred seventeen thousand, four hundred forty-seven".