80449487 has 4 divisors (see below), whose sum is σ = 80617920. Its totient is φ = 80281056.

The previous prime is 80449483. The next prime is 80449519. The reversal of 80449487 is 78494408.

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 80449487 - 2² = 80449483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80449483) 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, 83498 + ... + 84455.

It is an arithmetic number, because the mean of its divisors is an integer number (20154480).

Almost surely, 2^80449487 is an apocalyptic number.

80449487 is a deficient number, since it is larger than the sum of its proper divisors (168433).

80449487 is a wasteful number, since it uses less digits than its factorization.

80449487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168432.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 80449487 is about 8969.3638012961. The cubic root of 80449487 is about 431.6924233094.

The spelling of 80449487 in words is "eighty million, four hundred forty-nine thousand, four hundred eighty-seven".