675563688 has 96 divisors (see below), whose sum is σ = 1879020000. Its totient is φ = 219189888.

The previous prime is 675563657. The next prime is 675563699. The reversal of 675563688 is 886365576.

675563688 is a `hidden beast` number, since 6 + 7 + 556 + 3 + 6 + 88 = 666.

It is a super-2 number, since 2×675563688² = 912772593088322688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 462303 + ... + 463761.

It is an arithmetic number, because the mean of its divisors is an integer number (19573125).

Almost surely, 2^675563688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 675563688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (939510000).

675563688 is an abundant number, since it is smaller than the sum of its proper divisors (1203456312).

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

675563688 is a wasteful number, since it uses less digits than its factorization.

675563688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639 (or 1632 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The square root of 675563688 is about 25991.6080302855. The cubic root of 675563688 is about 877.4494362955.

The spelling of 675563688 in words is "six hundred seventy-five million, five hundred sixty-three thousand, six hundred eighty-eight".