80611 has 2 divisors, whose sum is σ = 80612. Its totient is φ = 80610.

The previous prime is 80603. The next prime is 80621. The reversal of 80611 is 11608.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80611 - 2³ = 80603 is a prime.

It is not a weakly prime, because it can be changed into another prime (80621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40305 + 40306.

It is an arithmetic number, because the mean of its divisors is an integer number (40306).

2⁸⁰⁶¹¹ is an apocalyptic number.

80611 is a deficient number, since it is larger than the sum of its proper divisors (1).

80611 is an equidigital number, since it uses as much as digits as its factorization.

80611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 80611 is about 283.9207635944. The cubic root of 80611 is about 43.1981123432.

The spelling of 80611 in words is "eighty thousand, six hundred eleven".