80401759 has 2 divisors, whose sum is σ = 80401760. Its totient is φ = 80401758.

The previous prime is 80401747. The next prime is 80401781. The reversal of 80401759 is 95710408.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80401759 is a prime.

It is a super-3 number, since 3×80401759³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80401709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40200879 + 40200880.

It is an arithmetic number, because the mean of its divisors is an integer number (40200880).

Almost surely, 2^80401759 is an apocalyptic number.

80401759 is a deficient number, since it is larger than the sum of its proper divisors (1).

80401759 is an equidigital number, since it uses as much as digits as its factorization.

80401759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 80401759 is about 8966.7027942271. The cubic root of 80401759 is about 431.6070368447.

The spelling of 80401759 in words is "eighty million, four hundred one thousand, seven hundred fifty-nine".