687500575 has 6 divisors (see below), whose sum is σ = 852500744. Its totient is φ = 550000440.

The previous prime is 687500563. The next prime is 687500591. The reversal of 687500575 is 575005786.

It is not a de Polignac number, because 687500575 - 2⁵ = 687500543 is a prime.

It is a Duffinian number.

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, 13749987 + ... + 13750036.

Almost surely, 2^687500575 is an apocalyptic number.

687500575 is a deficient number, since it is larger than the sum of its proper divisors (165000169).

687500575 is a wasteful number, since it uses less digits than its factorization.

687500575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27500033 (or 27500028 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 43.

The square root of 687500575 is about 26220.2321690713. The cubic root of 687500575 is about 882.5873298860.

The spelling of 687500575 in words is "six hundred eighty-seven million, five hundred thousand, five hundred seventy-five".