675436687 has 4 divisors (see below), whose sum is σ = 676532016. Its totient is φ = 674341360.

The previous prime is 675436637. The next prime is 675436759. The reversal of 675436687 is 786634576.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 675436687 - 2²³ = 667048079 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 (675436627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546739 + ... + 547972.

It is an arithmetic number, because the mean of its divisors is an integer number (169133004).

Almost surely, 2^675436687 is an apocalyptic number.

675436687 is a deficient number, since it is larger than the sum of its proper divisors (1095329).

675436687 is a wasteful number, since it uses less digits than its factorization.

675436687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095328.

The product of its digits is 5080320, while the sum is 52.

The square root of 675436687 is about 25989.1647999700. The cubic root of 675436687 is about 877.3944481715.

The spelling of 675436687 in words is "six hundred seventy-five million, four hundred thirty-six thousand, six hundred eighty-seven".