688026426086 has 8 divisors (see below), whose sum is σ = 1032157869384. Its totient is φ = 343973802960.

The previous prime is 688026426049. The next prime is 688026426119. The reversal of 688026426086 is 680624620886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19683215 + ... + 19718138.

It is an arithmetic number, because the mean of its divisors is an integer number (129019733673).

Almost surely, 2^688026426086 is an apocalyptic number.

688026426086 is a deficient number, since it is larger than the sum of its proper divisors (344131443298).

688026426086 is a wasteful number, since it uses less digits than its factorization.

688026426086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39410086.

The product of its (nonzero) digits is 10616832, while the sum is 56.

The spelling of 688026426086 in words is "six hundred eighty-eight billion, twenty-six million, four hundred twenty-six thousand, eighty-six".