688099104 has 192 divisors, whose sum is σ = 2502420480. Its totient is φ = 178709760.

The previous prime is 688099099. The next prime is 688099141. The reversal of 688099104 is 401990886.

It is a self number, because there is not a number n which added to its sum of digits gives 688099104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61357 + ... + 71699.

It is an arithmetic number, because the mean of its divisors is an integer number (13033440).

Almost surely, 2^688099104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 688099104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1251210240).

688099104 is an abundant number, since it is smaller than the sum of its proper divisors (1814321376).

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

688099104 is a wasteful number, since it uses less digits than its factorization.

688099104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10380 (or 10366 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 688099104 is about 26231.6431814707. The cubic root of 688099104 is about 882.8433785878.

The spelling of 688099104 in words is "six hundred eighty-eight million, ninety-nine thousand, one hundred four".