80455429 has 2 divisors, whose sum is σ = 80455430. Its totient is φ = 80455428.

The previous prime is 80455421. The next prime is 80455439. The reversal of 80455429 is 92455408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75724804 + 4730625 = 8702^2 + 2175^2 .

It is a cyclic number.

It is not a de Polignac number, because 80455429 - 2³ = 80455421 is a prime.

It is a super-3 number, since 3×80455429³ (a number of 25 digits) contains 333 as substring.

It is equal to p_4694455 and since 80455429 and 4694455 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80455421) 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, 40227714 + 40227715.

It is an arithmetic number, because the mean of its divisors is an integer number (40227715).

Almost surely, 2^80455429 is an apocalyptic number.

It is an amenable number.

80455429 is a deficient number, since it is larger than the sum of its proper divisors (1).

80455429 is an equidigital number, since it uses as much as digits as its factorization.

80455429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 80455429 is about 8969.6950338348. The cubic root of 80455429 is about 431.7030513168.

The spelling of 80455429 in words is "eighty million, four hundred fifty-five thousand, four hundred twenty-nine".