687108686707 has 8 divisors (see below), whose sum is σ = 688568701392. Its totient is φ = 685650019200.

The previous prime is 687108686687. The next prime is 687108686713. The reversal of 687108686707 is 707686801786.

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

It is a cyclic number.

It is not a de Polignac number, because 687108686707 - 2¹⁵ = 687108653939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (687108683707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687663 + ... + 1359079.

It is an arithmetic number, because the mean of its divisors is an integer number (86071087674).

Almost surely, 2^687108686707 is an apocalyptic number.

687108686707 is a deficient number, since it is larger than the sum of its proper divisors (1460014685).

687108686707 is a wasteful number, since it uses less digits than its factorization.

687108686707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673589.

The product of its (nonzero) digits is 37933056, while the sum is 64.

The spelling of 687108686707 in words is "six hundred eighty-seven billion, one hundred eight million, six hundred eighty-six thousand, seven hundred seven".