8130811 has 8 divisors (see below), whose sum is σ = 9271584. Its totient is φ = 7063680.

The previous prime is 8130809. The next prime is 8130821. The reversal of 8130811 is 1180318.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8130811 - 2¹ = 8130809 is a prime.

It is a super-2 number, since 2×8130811² = 132220175035442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8130821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18175 + ... + 18616.

It is an arithmetic number, because the mean of its divisors is an integer number (1158948).

Almost surely, 2^8130811 is an apocalyptic number.

8130811 is a deficient number, since it is larger than the sum of its proper divisors (1140773).

8130811 is a wasteful number, since it uses less digits than its factorization.

8130811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36821.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 8130811 is about 2851.4576973892. The cubic root of 8130811 is about 201.0842035592.

The spelling of 8130811 in words is "eight million, one hundred thirty thousand, eight hundred eleven".