80489849 has 8 divisors (see below), whose sum is σ = 92972448. Its totient is φ = 68868160.

The previous prime is 80489839. The next prime is 80489863. The reversal of 80489849 is 94898408.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 80489849 - 2²⁰ = 79441273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80489797 and 80489806.

It is not an unprimeable number, because it can be changed into a prime (80489839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215027 + ... + 215400.

It is an arithmetic number, because the mean of its divisors is an integer number (11621556).

Almost surely, 2^80489849 is an apocalyptic number.

It is an amenable number.

80489849 is a deficient number, since it is larger than the sum of its proper divisors (12482599).

80489849 is a wasteful number, since it uses less digits than its factorization.

80489849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430455.

The product of its (nonzero) digits is 663552, while the sum is 50.

The square root of 80489849 is about 8971.6135115151. The cubic root of 80489849 is about 431.7646054829.

The spelling of 80489849 in words is "eighty million, four hundred eighty-nine thousand, eight hundred forty-nine".