687375608 has 16 divisors (see below), whose sum is σ = 1344865680. Its totient is φ = 328744768.

The previous prime is 687375593. The next prime is 687375613. The reversal of 687375608 is 806573786.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1867685 + ... + 1868052.

It is an arithmetic number, because the mean of its divisors is an integer number (84054105).

Almost surely, 2^687375608 is an apocalyptic number.

It is an amenable number.

687375608 is a deficient number, since it is larger than the sum of its proper divisors (657490072).

687375608 is a wasteful number, since it uses less digits than its factorization.

687375608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735766 (or 3735762 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The square root of 687375608 is about 26217.8490345795. The cubic root of 687375608 is about 882.5338506705.

The spelling of 687375608 in words is "six hundred eighty-seven million, three hundred seventy-five thousand, six hundred eight".