687803076 has 135 divisors (see below), whose sum is σ = 1898297247. Its totient is φ = 217151280.

The previous prime is 687803071. The next prime is 687803093. The reversal of 687803076 is 670308786.

The square root of 687803076 is 26226.

It is a perfect power (a square), and thus also a powerful number.

687803076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (687803071) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 14634085 + ... + 14634131.

Almost surely, 2^687803076 is an apocalyptic number.

687803076 is the 26226-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 687803076

687803076 is an abundant number, since it is smaller than the sum of its proper divisors (1210494171).

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

687803076 is a wasteful number, since it uses less digits than its factorization.

687803076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The cubic root of 687803076 is about 882.7167573665.

The spelling of 687803076 in words is "six hundred eighty-seven million, eight hundred three thousand, seventy-six".