80188449 has 8 divisors (see below), whose sum is σ = 116637792. Its totient is φ = 48599040.

The previous prime is 80188411. The next prime is 80188483. The reversal of 80188449 is 94488108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80188449 - 2⁷ = 80188321 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80188449.

It is not an unprimeable number, because it can be changed into a prime (80188489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1214944 + ... + 1215009.

It is an arithmetic number, because the mean of its divisors is an integer number (14579724).

Almost surely, 2^80188449 is an apocalyptic number.

It is an amenable number.

80188449 is a deficient number, since it is larger than the sum of its proper divisors (36449343).

80188449 is a wasteful number, since it uses less digits than its factorization.

80188449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429967.

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 80188449 is about 8954.8003327824. The cubic root of 80188449 is about 431.2250069111.

The spelling of 80188449 in words is "eighty million, one hundred eighty-eight thousand, four hundred forty-nine".