688813675685416 has 64 divisors (see below), whose sum is σ = 1360478483640000. Its totient is φ = 326045570526720.

The previous prime is 688813675685389. The next prime is 688813675685441. The reversal of 688813675685416 is 614586576318886.

688813675685416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×688813675685416² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 688813675685416.

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, 1217673010 + ... + 1218238558.

It is an arithmetic number, because the mean of its divisors is an integer number (21257476306875).

Almost surely, 2^{688813675685416} is an apocalyptic number.

It is an amenable number.

688813675685416 is a deficient number, since it is larger than the sum of its proper divisors (671664807954584).

688813675685416 is a wasteful number, since it uses less digits than its factorization.

688813675685416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571322 (or 571318 counting only the distinct ones).

The product of its digits is 11147673600, while the sum is 82.

The spelling of 688813675685416 in words is "six hundred eighty-eight trillion, eight hundred thirteen billion, six hundred seventy-five million, six hundred eighty-five thousand, four hundred sixteen".