687060800 has 42 divisors (see below), whose sum is σ = 1690602918. Its totient is φ = 274823680.

The previous prime is 687060793. The next prime is 687060817. The reversal of 687060800 is 8060786.

687060800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 7311616 + 679749184 = 2704^2 + 26072^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 213107 + ... + 216306.

Almost surely, 2^687060800 is an apocalyptic number.

It is an amenable number.

687060800 is an abundant number, since it is smaller than the sum of its proper divisors (1003542118).

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

687060800 is a wasteful number, since it uses less digits than its factorization.

687060800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429435 (or 429420 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 687060800 is about 26211.8446508444. The cubic root of 687060800 is about 882.3991008880.

The spelling of 687060800 in words is "six hundred eighty-seven million, sixty thousand, eight hundred".