687525016 has 32 divisors (see below), whose sum is σ = 1424291040. Its totient is φ = 309472768.

The previous prime is 687525001. The next prime is 687525017. The reversal of 687525016 is 610525786.

687525016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 687525016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (687525017) 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, 106771 + ... + 113026.

It is an arithmetic number, because the mean of its divisors is an integer number (44509095).

Almost surely, 2^687525016 is an apocalyptic number.

It is an amenable number.

687525016 is an abundant number, since it is smaller than the sum of its proper divisors (736766024).

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

687525016 is a wasteful number, since it uses less digits than its factorization.

687525016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219843 (or 219839 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 687525016 is about 26220.6982363170. The cubic root of 687525016 is about 882.5977885737.

The spelling of 687525016 in words is "six hundred eighty-seven million, five hundred twenty-five thousand, sixteen".