80410871 has 4 divisors (see below), whose sum is σ = 81729144. Its totient is φ = 79092600.

The previous prime is 80410859. The next prime is 80410909. The reversal of 80410871 is 17801408.

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

It is a de Polignac number, because none of the positive numbers 2^k-80410871 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 (80410171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659045 + ... + 659166.

It is an arithmetic number, because the mean of its divisors is an integer number (20432286).

Almost surely, 2^80410871 is an apocalyptic number.

80410871 is a deficient number, since it is larger than the sum of its proper divisors (1318273).

80410871 is a wasteful number, since it uses less digits than its factorization.

80410871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318272.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 80410871 is about 8967.2108818740. The cubic root of 80410871 is about 431.6233410268.

The spelling of 80410871 in words is "eighty million, four hundred ten thousand, eight hundred seventy-one".