6689862704 has 20 divisors (see below), whose sum is σ = 14813267664. Its totient is φ = 2867083968.

The previous prime is 6689862659. The next prime is 6689862721. The reversal of 6689862704 is 4072689866.

It is a happy number.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a self number, because there is not a number n which added to its sum of digits gives 6689862704.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 29865347 + ... + 29865570.

Almost surely, 2^6689862704 is an apocalyptic number.

It is an amenable number.

6689862704 is an abundant number, since it is smaller than the sum of its proper divisors (8123404960).

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

6689862704 is a wasteful number, since it uses less digits than its factorization.

6689862704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59730932 (or 59730926 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 56.

The square root of 6689862704 is about 81791.5808870326. The cubic root of 6689862704 is about 1884.2523616791.

The spelling of 6689862704 in words is "six billion, six hundred eighty-nine million, eight hundred sixty-two thousand, seven hundred four".