687044552 has 16 divisors (see below), whose sum is σ = 1291724160. Its totient is φ = 342584784.

The previous prime is 687044447. The next prime is 687044591. The reversal of 687044552 is 255440786.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114068 + ... + 119939.

It is an arithmetic number, because the mean of its divisors is an integer number (80732760).

Almost surely, 2^687044552 is an apocalyptic number.

It is an amenable number.

687044552 is a deficient number, since it is larger than the sum of its proper divisors (604679608).

687044552 is a wasteful number, since it uses less digits than its factorization.

687044552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234380 (or 234376 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The square root of 687044552 is about 26211.5347127939. The cubic root of 687044552 is about 882.3921450098.

The spelling of 687044552 in words is "six hundred eighty-seven million, forty-four thousand, five hundred fifty-two".