871075376447321 has 8 divisors (see below), whose sum is σ = 922652825176224. Its totient is φ = 819535452240960.

The previous prime is 871075376447299. The next prime is 871075376447327. The reversal of 871075376447321 is 123744673570178.

871075376447321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-871075376447321 is a prime.

It is a super-2 number, since 2×871075376447321² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871075376447327) 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, 9381082835 + ... + 9381175688.

It is an arithmetic number, because the mean of its divisors is an integer number (115331603147028).

Almost surely, 2^{871075376447321} is an apocalyptic number.

It is an amenable number.

871075376447321 is a deficient number, since it is larger than the sum of its proper divisors (51577448728903).

871075376447321 is a wasteful number, since it uses less digits than its factorization.

871075376447321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18762261271.

The product of its (nonzero) digits is 165957120, while the sum is 65.

The spelling of 871075376447321 in words is "eight hundred seventy-one trillion, seventy-five billion, three hundred seventy-six million, four hundred forty-seven thousand, three hundred twenty-one".