8005806459 has 24 divisors (see below), whose sum is σ = 13219431680. Its totient is φ = 4573536048.

The previous prime is 8005806449. The next prime is 8005806499. The reversal of 8005806459 is 9546085008.

8005806459 is a `hidden beast` number, since 8 + 0 + 0 + 580 + 64 + 5 + 9 = 666.

It is not a de Polignac number, because 8005806459 - 2¹⁶ = 8005740923 is a prime.

It is a super-2 number, since 2×8005806459² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8005806449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258714 + ... + 288000.

Almost surely, 2^8005806459 is an apocalyptic number.

8005806459 is a deficient number, since it is larger than the sum of its proper divisors (5213625221).

8005806459 is a wasteful number, since it uses less digits than its factorization.

8005806459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33639 (or 33636 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 8005806459 is about 89475.1723049473. The cubic root of 8005806459 is about 2000.4837545647.

The spelling of 8005806459 in words is "eight billion, five million, eight hundred six thousand, four hundred fifty-nine".