827314217 has 4 divisors (see below), whose sum is σ = 827452416. Its totient is φ = 827176020.

The previous prime is 827314211. The next prime is 827314219. The reversal of 827314217 is 712413728.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 827314217 - 2²⁴ = 810537001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (827314211) 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, 59693 + ... + 72234.

It is an arithmetic number, because the mean of its divisors is an integer number (206863104).

Almost surely, 2^827314217 is an apocalyptic number.

It is an amenable number.

827314217 is a deficient number, since it is larger than the sum of its proper divisors (138199).

827314217 is a wasteful number, since it uses less digits than its factorization.

827314217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138198.

The product of its digits is 18816, while the sum is 35.

The square root of 827314217 is about 28763.0703680953. The cubic root of 827314217 is about 938.7648697913.

The spelling of 827314217 in words is "eight hundred twenty-seven million, three hundred fourteen thousand, two hundred seventeen".