6888647121 has 8 divisors (see below), whose sum is σ = 9185504064. Its totient is φ = 4592110800.

The previous prime is 6888647111. The next prime is 6888647189. The reversal of 6888647121 is 1217468886.

6888647121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6888647121 - 2²⁵ = 6855092689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6888647111) 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, 24501 + ... + 119906.

It is an arithmetic number, because the mean of its divisors is an integer number (1148188008).

Almost surely, 2^6888647121 is an apocalyptic number.

It is an amenable number.

6888647121 is a deficient number, since it is larger than the sum of its proper divisors (2296856943).

6888647121 is a wasteful number, since it uses less digits than its factorization.

6888647121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160311.

The product of its digits is 1032192, while the sum is 51.

The square root of 6888647121 is about 82997.8741956684. The cubic root of 6888647121 is about 1902.7335649145.

The spelling of 6888647121 in words is "six billion, eight hundred eighty-eight million, six hundred forty-seven thousand, one hundred twenty-one".