687955084 has 12 divisors (see below), whose sum is σ = 1205928808. Its totient is φ = 343404000.

The previous prime is 687955067. The next prime is 687955111. The reversal of 687955084 is 480559786.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140682 + ... + 145489.

Almost surely, 2^687955084 is an apocalyptic number.

It is an amenable number.

687955084 is a deficient number, since it is larger than the sum of its proper divisors (517973724).

687955084 is a wasteful number, since it uses less digits than its factorization.

687955084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286776 (or 286774 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 52.

The square root of 687955084 is about 26228.8978800101. The cubic root of 687955084 is about 882.7817808836.

The spelling of 687955084 in words is "six hundred eighty-seven million, nine hundred fifty-five thousand, eighty-four".