6889078068 has 12 divisors (see below), whose sum is σ = 16074515520. Its totient is φ = 2296359352.

The previous prime is 6889078061. The next prime is 6889078069. The reversal of 6889078068 is 8608709886.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×6889078068² = 94918793253997225248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6889078061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287044908 + ... + 287044931.

It is an arithmetic number, because the mean of its divisors is an integer number (1339542960).

Almost surely, 2^6889078068 is an apocalyptic number.

It is an amenable number.

6889078068 is an abundant number, since it is smaller than the sum of its proper divisors (9185437452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6889078068 is a wasteful number, since it uses less digits than its factorization.

6889078068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574089846 (or 574089844 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 60.

The square root of 6889078068 is about 83000.4702878243. The cubic root of 6889078068 is about 1902.7732418016.

The spelling of 6889078068 in words is "six billion, eight hundred eighty-nine million, seventy-eight thousand, sixty-eight".