80027939 has 2 divisors, whose sum is σ = 80027940. Its totient is φ = 80027938.

The previous prime is 80027911. The next prime is 80027951. The reversal of 80027939 is 93972008.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80027939 - 2⁸ = 80027683 is a prime.

It is not a weakly prime, because it can be changed into another prime (80027989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40013969 + 40013970.

It is an arithmetic number, because the mean of its divisors is an integer number (40013970).

Almost surely, 2^80027939 is an apocalyptic number.

80027939 is a deficient number, since it is larger than the sum of its proper divisors (1).

80027939 is an equidigital number, since it uses as much as digits as its factorization.

80027939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 80027939 is about 8945.8336112405. The cubic root of 80027939 is about 430.9370927939.

The spelling of 80027939 in words is "eighty million, twenty-seven thousand, nine hundred thirty-nine".