687606596 has 12 divisors (see below), whose sum is σ = 1204001148. Its totient is φ = 343606272.

The previous prime is 687606587. The next prime is 687606607. The reversal of 687606596 is 695606786.

It can be written as a sum of positive squares in 2 ways, for example, as 582256900 + 105349696 = 24130^2 + 10264^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41261 + ... + 55476.

It is an arithmetic number, because the mean of its divisors is an integer number (100333429).

Almost surely, 2^687606596 is an apocalyptic number.

It is an amenable number.

687606596 is a deficient number, since it is larger than the sum of its proper divisors (516394552).

687606596 is a wasteful number, since it uses less digits than its factorization.

687606596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98518 (or 98516 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 53.

The square root of 687606596 is about 26222.2538314310. The cubic root of 687606596 is about 882.6326961422.

The spelling of 687606596 in words is "six hundred eighty-seven million, six hundred six thousand, five hundred ninety-six".