80384566 has 4 divisors (see below), whose sum is σ = 120576852. Its totient is φ = 40192282.

The previous prime is 80384539. The next prime is 80384627. The reversal of 80384566 is 66548308.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20096140 + ... + 20096143.

It is an arithmetic number, because the mean of its divisors is an integer number (30144213).

Almost surely, 2^80384566 is an apocalyptic number.

80384566 is a deficient number, since it is larger than the sum of its proper divisors (40192286).

80384566 is a wasteful number, since it uses less digits than its factorization.

80384566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40192285.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 80384566 is about 8965.7440293597. The cubic root of 80384566 is about 431.5762699026.

The spelling of 80384566 in words is "eighty million, three hundred eighty-four thousand, five hundred sixty-six".