80810966 has 16 divisors (see below), whose sum is σ = 122490144. Its totient is φ = 39983424.

The previous prime is 80810953. The next prime is 80810969. The reversal of 80810966 is 66901808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80810969) 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, 104156 + ... + 104928.

It is an arithmetic number, because the mean of its divisors is an integer number (7655634).

Almost surely, 2^80810966 is an apocalyptic number.

80810966 is a deficient number, since it is larger than the sum of its proper divisors (41679178).

80810966 is a wasteful number, since it uses less digits than its factorization.

80810966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 80810966 is about 8989.4919767471. The cubic root of 80810966 is about 432.3380234778.

The spelling of 80810966 in words is "eighty million, eight hundred ten thousand, nine hundred sixty-six".