80459663 has 4 divisors (see below), whose sum is σ = 83055168. Its totient is φ = 77864160.

The previous prime is 80459653. The next prime is 80459669. The reversal of 80459663 is 36695408.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80459663 - 2¹⁰ = 80458639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80459663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80459669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1297706 + ... + 1297767.

It is an arithmetic number, because the mean of its divisors is an integer number (20763792).

Almost surely, 2^80459663 is an apocalyptic number.

80459663 is a deficient number, since it is larger than the sum of its proper divisors (2595505).

80459663 is a wasteful number, since it uses less digits than its factorization.

80459663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595504.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 80459663 is about 8969.9310476726. The cubic root of 80459663 is about 431.7106240341.

The spelling of 80459663 in words is "eighty million, four hundred fifty-nine thousand, six hundred sixty-three".