687107941 has 8 divisors (see below), whose sum is σ = 740171264. Its totient is φ = 634074480.

The previous prime is 687107903. The next prime is 687107977. The reversal of 687107941 is 149701786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 687107941 - 2¹⁵ = 687075173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (687107341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70720 + ... + 79846.

It is an arithmetic number, because the mean of its divisors is an integer number (92521408).

Almost surely, 2^687107941 is an apocalyptic number.

It is an amenable number.

687107941 is a deficient number, since it is larger than the sum of its proper divisors (53063323).

687107941 is a wasteful number, since it uses less digits than its factorization.

687107941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14931.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 687107941 is about 26212.7438662953. The cubic root of 687107941 is about 882.4192816467.

The spelling of 687107941 in words is "six hundred eighty-seven million, one hundred seven thousand, nine hundred forty-one".