6859111217 has 8 divisors (see below), whose sum is σ = 7850884800. Its totient is φ = 5870312784.

The previous prime is 6859111211. The next prime is 6859111219. The reversal of 6859111217 is 7121119586.

It is a happy number.

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

It is not a de Polignac number, because 6859111217 - 2⁶ = 6859111153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6859111211) 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, 738842 + ... + 748067.

It is an arithmetic number, because the mean of its divisors is an integer number (981360600).

Almost surely, 2^6859111217 is an apocalyptic number.

It is an amenable number.

6859111217 is a deficient number, since it is larger than the sum of its proper divisors (991773583).

6859111217 is a wasteful number, since it uses less digits than its factorization.

6859111217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487575.

The product of its digits is 30240, while the sum is 41.

The square root of 6859111217 is about 82819.7513700687. The cubic root of 6859111217 is about 1900.0102692889.

The spelling of 6859111217 in words is "six billion, eight hundred fifty-nine million, one hundred eleven thousand, two hundred seventeen".