80665027 has 2 divisors, whose sum is σ = 80665028. Its totient is φ = 80665026.

The previous prime is 80665001. The next prime is 80665049. The reversal of 80665027 is 72056608.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80665027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80664983 and 80665001.

It is not a weakly prime, because it can be changed into another prime (80665087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40332513 + 40332514.

It is an arithmetic number, because the mean of its divisors is an integer number (40332514).

Almost surely, 2^80665027 is an apocalyptic number.

80665027 is a deficient number, since it is larger than the sum of its proper divisors (1).

80665027 is an equidigital number, since it uses as much as digits as its factorization.

80665027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 80665027 is about 8981.3711091347. The cubic root of 80665027 is about 432.0776091562.

The spelling of 80665027 in words is "eighty million, six hundred sixty-five thousand, twenty-seven".