687875000 has 56 divisors (see below), whose sum is σ = 1612479360. Its totient is φ = 275100000.

The previous prime is 687874991. The next prime is 687875011. The reversal of 687875000 is 578786.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 122249 + ... + 127751.

Almost surely, 2^687875000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 687875000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (806239680).

687875000 is an abundant number, since it is smaller than the sum of its proper divisors (924604360).

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

687875000 is an frugal number, since it uses more digits than its factorization.

687875000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5539 (or 5510 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 687875000 is about 26227.3711988068. The cubic root of 687875000 is about 882.7475250428.

The spelling of 687875000 in words is "six hundred eighty-seven million, eight hundred seventy-five thousand".