6828862217 has 4 divisors (see below), whose sum is σ = 6889294740. Its totient is φ = 6768429696.

The previous prime is 6828862213. The next prime is 6828862247. The reversal of 6828862217 is 7122688286.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42562576 + 6786299641 = 6524^2 + 82379^2 .

It is a cyclic number.

It is not a de Polignac number, because 6828862217 - 2² = 6828862213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6828862213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30216092 + ... + 30216317.

It is an arithmetic number, because the mean of its divisors is an integer number (1722323685).

Almost surely, 2^6828862217 is an apocalyptic number.

It is an amenable number.

6828862217 is a deficient number, since it is larger than the sum of its proper divisors (60432523).

6828862217 is a wasteful number, since it uses less digits than its factorization.

6828862217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60432522.

The product of its digits is 1032192, while the sum is 50.

The square root of 6828862217 is about 82636.9301039190. The cubic root of 6828862217 is about 1897.2131087810.

The spelling of 6828862217 in words is "six billion, eight hundred twenty-eight million, eight hundred sixty-two thousand, two hundred seventeen".