80894171 has 2 divisors, whose sum is σ = 80894172. Its totient is φ = 80894170.

The previous prime is 80894167. The next prime is 80894237. The reversal of 80894171 is 17149808.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80894171 - 2² = 80894167 is a prime.

It is not a weakly prime, because it can be changed into another prime (80894111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40447085 + 40447086.

It is an arithmetic number, because the mean of its divisors is an integer number (40447086).

Almost surely, 2^80894171 is an apocalyptic number.

80894171 is a deficient number, since it is larger than the sum of its proper divisors (1).

80894171 is an equidigital number, since it uses as much as digits as its factorization.

80894171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 80894171 is about 8994.1186894548. The cubic root of 80894171 is about 432.4863546098.

The spelling of 80894171 in words is "eighty million, eight hundred ninety-four thousand, one hundred seventy-one".