8065919 has 4 divisors (see below), whose sum is σ = 8111160. Its totient is φ = 8020680.

The previous prime is 8065909. The next prime is 8065931. The reversal of 8065919 is 9195608.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8065919 is a prime.

It is a super-2 number, since 2×8065919² = 130118098629122, 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 (8065909) 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, 22352 + ... + 22709.

It is an arithmetic number, because the mean of its divisors is an integer number (2027790).

Almost surely, 2^8065919 is an apocalyptic number.

8065919 is a deficient number, since it is larger than the sum of its proper divisors (45241).

8065919 is a wasteful number, since it uses less digits than its factorization.

8065919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45240.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 8065919 is about 2840.0561614165. The cubic root of 8065919 is about 200.5478230793.

The spelling of 8065919 in words is "eight million, sixty-five thousand, nine hundred nineteen".