676499688 has 40 divisors (see below), whose sum is σ = 1894827330. Its totient is φ = 225499680.

The previous prime is 676499609. The next prime is 676499711. The reversal of 676499688 is 886994676.

676499688 is a `hidden beast` number, since 67 + 6 + 499 + 6 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 598389444 + 78110244 = 24462^2 + 8838^2 .

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 9 ways as a sum of consecutive naturals, for example, 521343 + ... + 522638.

Almost surely, 2^676499688 is an apocalyptic number.

It is an amenable number.

676499688 is an abundant number, since it is smaller than the sum of its proper divisors (1218327642).

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

676499688 is a wasteful number, since it uses less digits than its factorization.

676499688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043999 (or 1043986 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The square root of 676499688 is about 26009.6076094969. The cubic root of 676499688 is about 877.8544875023.

The spelling of 676499688 in words is "six hundred seventy-six million, four hundred ninety-nine thousand, six hundred eighty-eight".