80624171 has 2 divisors, whose sum is σ = 80624172. Its totient is φ = 80624170.

The previous prime is 80624143. The next prime is 80624189. The reversal of 80624171 is 17142608.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80624171 - 2⁶ = 80624107 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (80624191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40312085 + 40312086.

It is an arithmetic number, because the mean of its divisors is an integer number (40312086).

Almost surely, 2^80624171 is an apocalyptic number.

80624171 is a deficient number, since it is larger than the sum of its proper divisors (1).

80624171 is an equidigital number, since it uses as much as digits as its factorization.

80624171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 80624171 is about 8979.0963353781. The cubic root of 80624171 is about 432.0046492269.

Adding to 80624171 its reverse (17142608), we get a palindrome (97766779).

The spelling of 80624171 in words is "eighty million, six hundred twenty-four thousand, one hundred seventy-one".