8200643475 has 12 divisors (see below), whose sum is σ = 13558397336. Its totient is φ = 4373676480.

The previous prime is 8200643471. The next prime is 8200643501. The reversal of 8200643475 is 5743460028.

It is a happy number.

It is not a de Polignac number, because 8200643475 - 2² = 8200643471 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8200643471) 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 11 ways as a sum of consecutive naturals, for example, 54670882 + ... + 54671031.

Almost surely, 2^8200643475 is an apocalyptic number.

8200643475 is a deficient number, since it is larger than the sum of its proper divisors (5357753861).

8200643475 is a wasteful number, since it uses less digits than its factorization.

8200643475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109341926 (or 109341921 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 8200643475 is about 90557.4043079858. The cubic root of 8200643475 is about 2016.5824212544.

The spelling of 8200643475 in words is "eight billion, two hundred million, six hundred forty-three thousand, four hundred seventy-five".