871814321 has 12 divisors (see below), whose sum is σ = 1026374832. Its totient is φ = 738262728.

The previous prime is 871814311. The next prime is 871814341. The reversal of 871814321 is 123418178.

It is not a de Polignac number, because 871814321 - 2¹⁴ = 871797937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (871814311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103115 + ... + 111248.

It is an arithmetic number, because the mean of its divisors is an integer number (85531236).

Almost surely, 2^871814321 is an apocalyptic number.

It is an amenable number.

871814321 is a deficient number, since it is larger than the sum of its proper divisors (154560511).

871814321 is a wasteful number, since it uses less digits than its factorization.

871814321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214460 (or 214453 counting only the distinct ones).

The product of its digits is 10752, while the sum is 35.

The square root of 871814321 is about 29526.5020109054. The cubic root of 871814321 is about 955.3034208522.

The spelling of 871814321 in words is "eight hundred seventy-one million, eight hundred fourteen thousand, three hundred twenty-one".