8068891 has 4 divisors (see below), whose sum is σ = 8075800. Its totient is φ = 8061984.

The previous prime is 8068871. The next prime is 8068903. The reversal of 8068891 is 1988608.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8068891 - 2¹³ = 8060699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8068831) 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, 1221 + ... + 4198.

It is an arithmetic number, because the mean of its divisors is an integer number (2018950).

Almost surely, 2^8068891 is an apocalyptic number.

8068891 is a deficient number, since it is larger than the sum of its proper divisors (6909).

8068891 is a wasteful number, since it uses less digits than its factorization.

8068891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6908.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 8068891 is about 2840.5793423173. The cubic root of 8068891 is about 200.5724515992.

The spelling of 8068891 in words is "eight million, sixty-eight thousand, eight hundred ninety-one".