688874504 has 16 divisors (see below), whose sum is σ = 1301501520. Its totient is φ = 341807440.

The previous prime is 688874477. The next prime is 688874509. The reversal of 688874504 is 405478886.

It is a super-2 number, since 2×688874504² = 949096164522492032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (688874509) by changing a digit.

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, 327614 + ... + 329709.

It is an arithmetic number, because the mean of its divisors is an integer number (81343845).

Almost surely, 2^688874504 is an apocalyptic number.

It is an amenable number.

688874504 is a deficient number, since it is larger than the sum of its proper divisors (612627016).

688874504 is a wasteful number, since it uses less digits than its factorization.

688874504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657460 (or 657456 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 50.

The square root of 688874504 is about 26246.4188795348. The cubic root of 688874504 is about 883.1748714287.

The spelling of 688874504 in words is "six hundred eighty-eight million, eight hundred seventy-four thousand, five hundred four".