80747 has 2 divisors, whose sum is σ = 80748. Its totient is φ = 80746.

The previous prime is 80737. The next prime is 80749. The reversal of 80747 is 74708.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80747 - 2⁶ = 80683 is a prime.

Together with 80749, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40373 + 40374.

It is an arithmetic number, because the mean of its divisors is an integer number (40374).

2⁸⁰⁷⁴⁷ is an apocalyptic number.

80747 is a deficient number, since it is larger than the sum of its proper divisors (1).

80747 is an equidigital number, since it uses as much as digits as its factorization.

80747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 80747 is about 284.1601661036. The cubic root of 80747 is about 43.2223920837. Note that the first 3 decimals are identical.

The spelling of 80747 in words is "eighty thousand, seven hundred forty-seven".