687013544088 has 48 divisors (see below), whose sum is σ = 1910949842880. Its totient is φ = 222815202624.

The previous prime is 687013544083. The next prime is 687013544111. The reversal of 687013544088 is 880445310786.

687013544088 is a `hidden beast` number, since 6 + 8 + 7 + 0 + 13 + 544 + 0 + 88 = 666.

687013544088 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 not an unprimeable number, because it can be changed into a prime (687013544083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128941320 + ... + 128946647.

It is an arithmetic number, because the mean of its divisors is an integer number (39811455060).

Almost surely, 2^687013544088 is an apocalyptic number.

It is an amenable number.

687013544088 is an abundant number, since it is smaller than the sum of its proper divisors (1223936298792).

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

687013544088 is a wasteful number, since it uses less digits than its factorization.

687013544088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257888016 (or 257888009 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 687013544088 in words is "six hundred eighty-seven billion, thirteen million, five hundred forty-four thousand, eighty-eight".