8066891 has 8 divisors (see below), whose sum is σ = 9761760. Its totient is φ = 6507648.

The previous prime is 8066881. The next prime is 8066897. The reversal of 8066891 is 1986608.

8066891 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8066891 - 2⁶ = 8066827 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8066897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33776 + ... + 34013.

It is an arithmetic number, because the mean of its divisors is an integer number (1220220).

Almost surely, 2^8066891 is an apocalyptic number.

8066891 is a deficient number, since it is larger than the sum of its proper divisors (1694869).

8066891 is a wasteful number, since it uses less digits than its factorization.

8066891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67813.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 8066891 is about 2840.2272796380. The cubic root of 8066891 is about 200.5558785637. Note that the first 3 decimals are identical.

The spelling of 8066891 in words is "eight million, sixty-six thousand, eight hundred ninety-one".