8206428844 has 12 divisors (see below), whose sum is σ = 14375160184. Its totient is φ = 4099240224.

The previous prime is 8206428829. The next prime is 8206428847. The reversal of 8206428844 is 4488246028.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8206428794 and 8206428803.

It is not an unprimeable number, because it can be changed into a prime (8206428847) 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, 988902 + ... + 997165.

Almost surely, 2^8206428844 is an apocalyptic number.

It is an amenable number.

8206428844 is a deficient number, since it is larger than the sum of its proper divisors (6168731340).

8206428844 is a wasteful number, since it uses less digits than its factorization.

8206428844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987104 (or 1987102 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 46.

The square root of 8206428844 is about 90589.3417792623. The cubic root of 8206428844 is about 2017.0565275856.

The spelling of 8206428844 in words is "eight billion, two hundred six million, four hundred twenty-eight thousand, eight hundred forty-four".