80489894 has 16 divisors (see below), whose sum is σ = 124711488. Its totient is φ = 38937192.

The previous prime is 80489891. The next prime is 80489953. The reversal of 80489894 is 49898408.

It is a happy number.

It is a super-2 number, since 2×80489894² = 12957246072262472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80489891) 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 in 7 ways as a sum of consecutive naturals, for example, 4829 + ... + 13575.

It is an arithmetic number, because the mean of its divisors is an integer number (7794468).

Almost surely, 2^80489894 is an apocalyptic number.

80489894 is a deficient number, since it is larger than the sum of its proper divisors (44221594).

80489894 is a wasteful number, since it uses less digits than its factorization.

80489894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8899.

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

The square root of 80489894 is about 8971.6160194248. The cubic root of 80489894 is about 431.7646859461.

The spelling of 80489894 in words is "eighty million, four hundred eighty-nine thousand, eight hundred ninety-four".