80719171 has 8 divisors (see below), whose sum is σ = 87262560. Its totient is φ = 74223552.

The previous prime is 80719169. The next prime is 80719181. The reversal of 80719171 is 17191708.

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

It is not a de Polignac number, because 80719171 - 2¹ = 80719169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80719141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8386 + ... + 15223.

It is an arithmetic number, because the mean of its divisors is an integer number (10907820).

Almost surely, 2^80719171 is an apocalyptic number.

80719171 is a deficient number, since it is larger than the sum of its proper divisors (6543389).

80719171 is a wasteful number, since it uses less digits than its factorization.

80719171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23885.

The product of its (nonzero) digits is 3528, while the sum is 34.

The square root of 80719171 is about 8984.3848426033. The cubic root of 80719171 is about 432.1742606156.

The spelling of 80719171 in words is "eighty million, seven hundred nineteen thousand, one hundred seventy-one".