80070871 has 2 divisors, whose sum is σ = 80070872. Its totient is φ = 80070870.

The previous prime is 80070803. The next prime is 80070877. The reversal of 80070871 is 17807008.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80070871 - 2⁷ = 80070743 is a prime.

It is a super-2 number, since 2×80070871² = 12822688765397282, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80070877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40035435 + 40035436.

It is an arithmetic number, because the mean of its divisors is an integer number (40035436).

Almost surely, 2^80070871 is an apocalyptic number.

80070871 is a deficient number, since it is larger than the sum of its proper divisors (1).

80070871 is an equidigital number, since it uses as much as digits as its factorization.

80070871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 80070871 is about 8948.2328422991. The cubic root of 80070871 is about 431.0141395691.

Adding to 80070871 its reverse (17807008), we get a palindrome (97877879).

The spelling of 80070871 in words is "eighty million, seventy thousand, eight hundred seventy-one".