80244617 has 2 divisors, whose sum is σ = 80244618. Its totient is φ = 80244616.

The previous prime is 80244613. The next prime is 80244643. The reversal of 80244617 is 71644208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79637776 + 606841 = 8924^2 + 779^2 .

It is a cyclic number.

It is not a de Polignac number, because 80244617 - 2² = 80244613 is a prime.

It is not a weakly prime, because it can be changed into another prime (80244613) 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, 40122308 + 40122309.

It is an arithmetic number, because the mean of its divisors is an integer number (40122309).

Almost surely, 2^80244617 is an apocalyptic number.

It is an amenable number.

80244617 is a deficient number, since it is larger than the sum of its proper divisors (1).

80244617 is an equidigital number, since it uses as much as digits as its factorization.

80244617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 80244617 is about 8957.9359787844. The cubic root of 80244617 is about 431.3256672659.

The spelling of 80244617 in words is "eighty million, two hundred forty-four thousand, six hundred seventeen".