688009460158 has 16 divisors (see below), whose sum is σ = 1038157308144. Its totient is φ = 341962151040.

The previous prime is 688009460141. The next prime is 688009460183. The reversal of 688009460158 is 851064900886.

It is a junction number, because it is equal to n+sod(n) for n = 688009460099 and 688009460108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1012860 + ... + 1549807.

It is an arithmetic number, because the mean of its divisors is an integer number (64884831759).

Almost surely, 2^688009460158 is an apocalyptic number.

688009460158 is a deficient number, since it is larger than the sum of its proper divisors (350147847986).

688009460158 is a wasteful number, since it uses less digits than its factorization.

688009460158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563467.

The product of its (nonzero) digits is 3317760, while the sum is 55.

The spelling of 688009460158 in words is "six hundred eighty-eight billion, nine million, four hundred sixty thousand, one hundred fifty-eight".