6897120068 has 12 divisors (see below), whose sum is σ = 12098632812. Its totient is φ = 3440367840.

The previous prime is 6897120053. The next prime is 6897120089. The reversal of 6897120068 is 8600217986.

It can be written as a sum of positive squares in 2 ways, for example, as 3324906244 + 3572213824 = 57662^2 + 59768^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2046155 + ... + 2049522.

It is an arithmetic number, because the mean of its divisors is an integer number (1008219401).

Almost surely, 2^6897120068 is an apocalyptic number.

It is an amenable number.

6897120068 is a deficient number, since it is larger than the sum of its proper divisors (5201512744).

6897120068 is a wasteful number, since it uses less digits than its factorization.

6897120068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096102 (or 4096100 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 6897120068 is about 83048.9016664278. The cubic root of 6897120068 is about 1903.5133578612.

The spelling of 6897120068 in words is "six billion, eight hundred ninety-seven million, one hundred twenty thousand, sixty-eight".