675564687 has 12 divisors (see below), whose sum is σ = 1115218000. Its totient is φ = 386036928.

The previous prime is 675564677. The next prime is 675564697. The reversal of 675564687 is 786465576.

675564687 is a `hidden beast` number, since 6 + 7 + 556 + 4 + 6 + 87 = 666.

It is an interprime number because it is at equal distance from previous prime (675564677) and next prime (675564697).

It is not a de Polignac number, because 675564687 - 2⁶ = 675564623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675564647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5361562 + ... + 5361687.

Almost surely, 2^675564687 is an apocalyptic number.

675564687 is a deficient number, since it is larger than the sum of its proper divisors (439653313).

675564687 is a wasteful number, since it uses less digits than its factorization.

675564687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10723262 (or 10723259 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 54.

The square root of 675564687 is about 25991.6272480197. The cubic root of 675564687 is about 877.4498688092.

The spelling of 675564687 in words is "six hundred seventy-five million, five hundred sixty-four thousand, six hundred eighty-seven".