687096860 has 24 divisors (see below), whose sum is σ = 1478097936. Its totient is φ = 268135040.

The previous prime is 687096857. The next prime is 687096889. The reversal of 687096860 is 68690786.

It is a junction number, because it is equal to n+sod(n) for n = 687096799 and 687096808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418142 + ... + 419781.

It is an arithmetic number, because the mean of its divisors is an integer number (61587414).

Almost surely, 2^687096860 is an apocalyptic number.

It is an amenable number.

687096860 is an abundant number, since it is smaller than the sum of its proper divisors (791001076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

687096860 is a wasteful number, since it uses less digits than its factorization.

687096860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837973 (or 837971 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 687096860 is about 26212.5324987877. The cubic root of 687096860 is about 882.4145380249.

The spelling of 687096860 in words is "six hundred eighty-seven million, ninety-six thousand, eight hundred sixty".