6897937917 has 16 divisors (see below), whose sum is σ = 9913313088. Its totient is φ = 4241207040.

The previous prime is 6897937873. The next prime is 6897937919. The reversal of 6897937917 is 7197397986.

It is not a de Polignac number, because 6897937917 - 2⁶ = 6897937853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6897937919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30684 + ... + 121397.

It is an arithmetic number, because the mean of its divisors is an integer number (619582068).

Almost surely, 2^6897937917 is an apocalyptic number.

It is an amenable number.

6897937917 is a deficient number, since it is larger than the sum of its proper divisors (3015375171).

6897937917 is a wasteful number, since it uses less digits than its factorization.

6897937917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153260.

The product of its digits is 36006768, while the sum is 66.

The square root of 6897937917 is about 83053.8254206271. The cubic root of 6897937917 is about 1903.5885933677.

The spelling of 6897937917 in words is "six billion, eight hundred ninety-seven million, nine hundred thirty-seven thousand, nine hundred seventeen".