6897764167 has 6 divisors (see below), whose sum is σ = 7883410184. Its totient is φ = 5912180940.

The previous prime is 6897764113. The next prime is 6897764171. The reversal of 6897764167 is 7614677986.

It is a de Polignac number, because none of the positive numbers 2^k-6897764167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6897764267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 204042 + ... + 235432.

Almost surely, 2^6897764167 is an apocalyptic number.

6897764167 is a deficient number, since it is larger than the sum of its proper divisors (985646017).

6897764167 is an frugal number, since it uses more digits than its factorization.

6897764167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62789 (or 31398 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 61.

The square root of 6897764167 is about 83052.7794056286. The cubic root of 6897764167 is about 1903.5726102677.

The spelling of 6897764167 in words is "six billion, eight hundred ninety-seven million, seven hundred sixty-four thousand, one hundred sixty-seven".