6888385680 has 80 divisors (see below), whose sum is σ = 23295276864. Its totient is φ = 1669911040.

The previous prime is 6888385541. The next prime is 6888385681. The reversal of 6888385680 is 865838886.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (6888385681) 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, 1301979 + ... + 1307258.

Almost surely, 2^6888385680 is an apocalyptic number.

6888385680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6888385680 is an abundant number, since it is smaller than the sum of its proper divisors (16406891184).

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

6888385680 is a wasteful number, since it uses less digits than its factorization.

6888385680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609264 (or 2609258 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 60.

The square root of 6888385680 is about 82996.2991946026. The cubic root of 6888385680 is about 1902.7094934797.

The spelling of 6888385680 in words is "six billion, eight hundred eighty-eight million, three hundred eighty-five thousand, six hundred eighty".