688755554134 has 16 divisors (see below), whose sum is σ = 1078088433120. Its totient is φ = 329393750400.

The previous prime is 688755554119. The next prime is 688755554159. The reversal of 688755554134 is 431455557886.

688755554134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1223584 + ... + 1695484.

It is an arithmetic number, because the mean of its divisors is an integer number (67380527070).

Almost surely, 2^688755554134 is an apocalyptic number.

688755554134 is a deficient number, since it is larger than the sum of its proper divisors (389332878986).

688755554134 is a wasteful number, since it uses less digits than its factorization.

688755554134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503655.

The product of its digits is 80640000, while the sum is 61.

The spelling of 688755554134 in words is "six hundred eighty-eight billion, seven hundred fifty-five million, five hundred fifty-four thousand, one hundred thirty-four".