688009460108 has 12 divisors (see below), whose sum is σ = 1217544831720. Its totient is φ = 340139508192.

The previous prime is 688009460107. The next prime is 688009460137. The reversal of 688009460108 is 801064900886.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (688009460107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966305066 + ... + 966305777.

It is an arithmetic number, because the mean of its divisors is an integer number (101462069310).

Almost surely, 2^688009460108 is an apocalyptic number.

It is an amenable number.

688009460108 is a deficient number, since it is larger than the sum of its proper divisors (529535371612).

688009460108 is a wasteful number, since it uses less digits than its factorization.

688009460108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932610936 (or 1932610934 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 50.

The spelling of 688009460108 in words is "six hundred eighty-eight billion, nine million, four hundred sixty thousand, one hundred eight".