80065586 has 4 divisors (see below), whose sum is σ = 120098382. Its totient is φ = 40032792.

The previous prime is 80065541. The next prime is 80065589. The reversal of 80065586 is 68556008.

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

It can be written as a sum of positive squares in only one way, i.e., 79834225 + 231361 = 8935^2 + 481^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80065589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20016395 + ... + 20016398.

Almost surely, 2^80065586 is an apocalyptic number.

80065586 is a deficient number, since it is larger than the sum of its proper divisors (40032796).

80065586 is a wasteful number, since it uses less digits than its factorization.

80065586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40032795.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 80065586 is about 8947.9375277211. The cubic root of 80065586 is about 431.0046564707.

The spelling of 80065586 in words is "eighty million, sixty-five thousand, five hundred eighty-six".