80571067 has 2 divisors, whose sum is σ = 80571068. Its totient is φ = 80571066.

The previous prime is 80571061. The next prime is 80571079. The reversal of 80571067 is 76017508.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80571067 - 2³ = 80571059 is a prime.

It is equal to p_4700779 and since 80571067 and 4700779 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (80571061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40285533 + 40285534.

It is an arithmetic number, because the mean of its divisors is an integer number (40285534).

Almost surely, 2^80571067 is an apocalyptic number.

80571067 is a deficient number, since it is larger than the sum of its proper divisors (1).

80571067 is an equidigital number, since it uses as much as digits as its factorization.

80571067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 80571067 is about 8976.1387578401. The cubic root of 80571067 is about 431.9097801851.

The spelling of 80571067 in words is "eighty million, five hundred seventy-one thousand, sixty-seven".