8213600687 has 4 divisors (see below), whose sum is σ = 8645895480. Its totient is φ = 7781305896.

The previous prime is 8213600657. The next prime is 8213600699. The reversal of 8213600687 is 7860063128.

It is a happy number.

8213600687 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 8213600687 - 2¹⁰ = 8213599663 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 (8213600617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216147368 + ... + 216147405.

It is an arithmetic number, because the mean of its divisors is an integer number (2161473870).

Almost surely, 2^8213600687 is an apocalyptic number.

8213600687 is a deficient number, since it is larger than the sum of its proper divisors (432294793).

8213600687 is a wasteful number, since it uses less digits than its factorization.

8213600687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432294792.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 8213600687 is about 90628.9174987763. The cubic root of 8213600687 is about 2017.6439451240.

The spelling of 8213600687 in words is "eight billion, two hundred thirteen million, six hundred thousand, six hundred eighty-seven".