80449876 has 48 divisors (see below), whose sum is σ = 161300160. Its totient is φ = 34801920.

The previous prime is 80449871. The next prime is 80449879. The reversal of 80449876 is 67894408.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80449871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105336 + ... + 106096.

It is an arithmetic number, because the mean of its divisors is an integer number (3360420).

Almost surely, 2^80449876 is an apocalyptic number.

It is an amenable number.

80449876 is an abundant number, since it is smaller than the sum of its proper divisors (80850284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80449876 is a wasteful number, since it uses less digits than its factorization.

80449876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 80449876 is about 8969.3854861969. The cubic root of 80449876 is about 431.6931191004.

The spelling of 80449876 in words is "eighty million, four hundred forty-nine thousand, eight hundred seventy-six".