80086939 has 2 divisors, whose sum is σ = 80086940. Its totient is φ = 80086938.

The previous prime is 80086901. The next prime is 80086969. The reversal of 80086939 is 93968008.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80086939 - 2⁹ = 80086427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80086895 and 80086904.

It is not a weakly prime, because it can be changed into another prime (80086969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40043469 + 40043470.

It is an arithmetic number, because the mean of its divisors is an integer number (40043470).

Almost surely, 2^80086939 is an apocalyptic number.

80086939 is a deficient number, since it is larger than the sum of its proper divisors (1).

80086939 is an equidigital number, since it uses as much as digits as its factorization.

80086939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 80086939 is about 8949.1306281672. The cubic root of 80086939 is about 431.0429684966.

The spelling of 80086939 in words is "eighty million, eighty-six thousand, nine hundred thirty-nine".