688874082134 has 16 divisors (see below), whose sum is σ = 1181837535648. Its totient is φ = 295004115072.

The previous prime is 688874082107. The next prime is 688874082151. The reversal of 688874082134 is 431280478886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18950729 + ... + 18987044.

It is an arithmetic number, because the mean of its divisors is an integer number (73864845978).

Almost surely, 2^688874082134 is an apocalyptic number.

688874082134 is a deficient number, since it is larger than the sum of its proper divisors (492963453514).

688874082134 is a wasteful number, since it uses less digits than its factorization.

688874082134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37939079.

The product of its (nonzero) digits is 16515072, while the sum is 59.

The spelling of 688874082134 in words is "six hundred eighty-eight billion, eight hundred seventy-four million, eighty-two thousand, one hundred thirty-four".