80688241 has 2 divisors, whose sum is σ = 80688242. Its totient is φ = 80688240.

The previous prime is 80688233. The next prime is 80688259. The reversal of 80688241 is 14288608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74909025 + 5779216 = 8655^2 + 2404^2 .

It is a cyclic number.

It is not a de Polignac number, because 80688241 - 2³ = 80688233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80688241.

It is not a weakly prime, because it can be changed into another prime (80688281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40344120 + 40344121.

It is an arithmetic number, because the mean of its divisors is an integer number (40344121).

Almost surely, 2^80688241 is an apocalyptic number.

It is an amenable number.

80688241 is a deficient number, since it is larger than the sum of its proper divisors (1).

80688241 is an equidigital number, since it uses as much as digits as its factorization.

80688241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 80688241 is about 8982.6633578243. The cubic root of 80688241 is about 432.1190533358.

The spelling of 80688241 in words is "eighty million, six hundred eighty-eight thousand, two hundred forty-one".