80820271 has 8 divisors (see below), whose sum is σ = 93631904. Its totient is φ = 68325120.

The previous prime is 80820253. The next prime is 80820287. The reversal of 80820271 is 17202808.

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

It is a cyclic number.

It is not a de Polignac number, because 80820271 - 2¹³ = 80812079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80820211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78570 + ... + 79591.

It is an arithmetic number, because the mean of its divisors is an integer number (11703988).

Almost surely, 2^80820271 is an apocalyptic number.

80820271 is a deficient number, since it is larger than the sum of its proper divisors (12811633).

80820271 is a wasteful number, since it uses less digits than its factorization.

80820271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158241.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 80820271 is about 8990.0095105623. The cubic root of 80820271 is about 432.3546167329.

The spelling of 80820271 in words is "eighty million, eight hundred twenty thousand, two hundred seventy-one".