80471171 has 6 divisors (see below), whose sum is σ = 88451916. Its totient is φ = 73155500.

The previous prime is 80471161. The next prime is 80471173. The reversal of 80471171 is 17117408.

It is not a de Polignac number, because 80471171 - 2⁶ = 80471107 is a prime.

It is a super-2 number, since 2×80471171² = 12951218724222482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80471173) 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 5 ways as a sum of consecutive naturals, for example, 332405 + ... + 332646.

It is an arithmetic number, because the mean of its divisors is an integer number (14741986).

Almost surely, 2^80471171 is an apocalyptic number.

80471171 is a deficient number, since it is larger than the sum of its proper divisors (7980745).

80471171 is a wasteful number, since it uses less digits than its factorization.

80471171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665073 (or 665062 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 29.

The square root of 80471171 is about 8970.5725012398. The cubic root of 80471171 is about 431.7312053160.

Adding to 80471171 its reverse (17117408), we get a palindrome (97588579).

The spelling of 80471171 in words is "eighty million, four hundred seventy-one thousand, one hundred seventy-one".