687096817100 has 18 divisors (see below), whose sum is σ = 1491000093324. Its totient is φ = 274838726800.

The previous prime is 687096817063. The next prime is 687096817103. The reversal of 687096817100 is 1718690786.

It is not an unprimeable number, because it can be changed into a prime (687096817103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3435483986 + ... + 3435484185.

It is an arithmetic number, because the mean of its divisors is an integer number (82833338518).

Almost surely, 2^687096817100 is an apocalyptic number.

It is an amenable number.

687096817100 is an abundant number, since it is smaller than the sum of its proper divisors (803903276224).

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

687096817100 is a wasteful number, since it uses less digits than its factorization.

687096817100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6870968185 (or 6870968178 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 53.

The spelling of 687096817100 in words is "six hundred eighty-seven billion, ninety-six million, eight hundred seventeen thousand, one hundred".