80810650 has 24 divisors (see below), whose sum is σ = 150865344. Its totient is φ = 32204400.

The previous prime is 80810647. The next prime is 80810657. The reversal of 80810650 is 5601808.

It is a happy number.

It is a super-2 number, since 2×80810650² = 13060722306845000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80810657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11295 + ... + 17005.

It is an arithmetic number, because the mean of its divisors is an integer number (6286056).

Almost surely, 2^80810650 is an apocalyptic number.

80810650 is a deficient number, since it is larger than the sum of its proper divisors (70054694).

80810650 is a wasteful number, since it uses less digits than its factorization.

80810650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006 (or 6001 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 80810650 is about 8989.4744006532. The cubic root of 80810650 is about 432.3374599446.

The spelling of 80810650 in words is "eighty million, eight hundred ten thousand, six hundred fifty".