80565382 has 4 divisors (see below), whose sum is σ = 120848076. Its totient is φ = 40282690.

The previous prime is 80565337. The next prime is 80565403. The reversal of 80565382 is 28356508.

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, 20141344 + ... + 20141347.

It is an arithmetic number, because the mean of its divisors is an integer number (30212019).

Almost surely, 2^80565382 is an apocalyptic number.

80565382 is a deficient number, since it is larger than the sum of its proper divisors (40282694).

80565382 is a wasteful number, since it uses less digits than its factorization.

80565382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40282693.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 80565382 is about 8975.8220793418. The cubic root of 80565382 is about 431.8996215970.

The spelling of 80565382 in words is "eighty million, five hundred sixty-five thousand, three hundred eighty-two".