687314083207 has 32 divisors (see below), whose sum is σ = 748639833984. Its totient is φ = 629271244800.

The previous prime is 687314083201. The next prime is 687314083217. The reversal of 687314083207 is 702380413786.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 687314083207 - 2³ = 687314083199 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 (687314083201) 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 31 ways as a sum of consecutive naturals, for example, 22821583 + ... + 22851679.

It is an arithmetic number, because the mean of its divisors is an integer number (23394994812).

Almost surely, 2^687314083207 is an apocalyptic number.

687314083207 is a deficient number, since it is larger than the sum of its proper divisors (61325750777).

687314083207 is a wasteful number, since it uses less digits than its factorization.

687314083207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30619.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 687314083207 in words is "six hundred eighty-seven billion, three hundred fourteen million, eighty-three thousand, two hundred seven".