80446836 has 24 divisors (see below), whose sum is σ = 197589280. Its totient is φ = 25404192.

The previous prime is 80446831. The next prime is 80446867. The reversal of 80446836 is 63864408.

It is a junction number, because it is equal to n+sod(n) for n = 80446794 and 80446803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80446831) 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, 176191 + ... + 176646.

Almost surely, 2^80446836 is an apocalyptic number.

It is an amenable number.

80446836 is an abundant number, since it is smaller than the sum of its proper divisors (117142444).

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

80446836 is a wasteful number, since it uses less digits than its factorization.

80446836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352863 (or 352861 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 80446836 is about 8969.2160192516. The cubic root of 80446836 is about 431.6876814967.

The spelling of 80446836 in words is "eighty million, four hundred forty-six thousand, eight hundred thirty-six".