8097811 has 4 divisors (see below), whose sum is σ = 8230624. Its totient is φ = 7965000.

The previous prime is 8097779. The next prime is 8097823. The reversal of 8097811 is 1187908.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8097811 - 2⁵ = 8097779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8097871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66315 + ... + 66436.

It is an arithmetic number, because the mean of its divisors is an integer number (2057656).

Almost surely, 2^8097811 is an apocalyptic number.

8097811 is a deficient number, since it is larger than the sum of its proper divisors (132813).

8097811 is a wasteful number, since it uses less digits than its factorization.

8097811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132812.

The product of its (nonzero) digits is 4032, while the sum is 34.

The square root of 8097811 is about 2845.6653000660. The cubic root of 8097811 is about 200.8117921758.

Subtracting from 8097811 its reverse (1187908), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 8097811 in words is "eight million, ninety-seven thousand, eight hundred eleven".