688693875006 has 32 divisors (see below), whose sum is σ = 1390119356160. Its totient is φ = 227444276864.

The previous prime is 688693874993. The next prime is 688693875017. The reversal of 688693875006 is 600578396886.

It is a happy number.

It is a super-3 number, since 3×688693875006³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1551631 + ... + 1945493.

It is an arithmetic number, because the mean of its divisors is an integer number (43441229880).

Almost surely, 2^688693875006 is an apocalyptic number.

688693875006 is an abundant number, since it is smaller than the sum of its proper divisors (701425481154).

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

688693875006 is a wasteful number, since it uses less digits than its factorization.

688693875006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396560.

The product of its (nonzero) digits is 104509440, while the sum is 66.

The spelling of 688693875006 in words is "six hundred eighty-eight billion, six hundred ninety-three million, eight hundred seventy-five thousand, six".