687080209007 has 8 divisors (see below), whose sum is σ = 688551621840. Its totient is φ = 685610371840.

The previous prime is 687080209001. The next prime is 687080209027. The reversal of 687080209007 is 700902080786.

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 687080209007 - 2³⁶ = 618360732271 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 (687080209001) 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, 481208 + ... + 1267170.

It is an arithmetic number, because the mean of its divisors is an integer number (86068952730).

Almost surely, 2^687080209007 is an apocalyptic number.

687080209007 is a deficient number, since it is larger than the sum of its proper divisors (1471412833).

687080209007 is an equidigital number, since it uses as much as digits as its factorization.

687080209007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787833.

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 687080209007 in words is "six hundred eighty-seven billion, eighty million, two hundred nine thousand, seven".