8045811 has 20 divisors (see below), whose sum is σ = 12728232. Its totient is φ = 5047488.

The previous prime is 8045809. The next prime is 8045819. The reversal of 8045811 is 1185408.

8045811 is a `hidden beast` number, since 80 + 4 + 581 + 1 = 666.

It is not a de Polignac number, because 8045811 - 2¹ = 8045809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (8045819) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1545 + ... + 4298.

Almost surely, 2^8045811 is an apocalyptic number.

8045811 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

8045811 is a deficient number, since it is larger than the sum of its proper divisors (4682421).

8045811 is a wasteful number, since it uses less digits than its factorization.

8045811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5872 (or 5863 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 8045811 is about 2836.5138815102. The cubic root of 8045811 is about 200.3810319456.

The spelling of 8045811 in words is "eight million, forty-five thousand, eight hundred eleven".