80666608 has 20 divisors (see below), whose sum is σ = 170500248. Its totient is φ = 36666560.

The previous prime is 80666591. The next prime is 80666611.

80666608 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228991 + ... + 229342.

Almost surely, 2^80666608 is an apocalyptic number.

80666608 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

80666608 is an abundant number, since it is smaller than the sum of its proper divisors (89833640).

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

80666608 is a wasteful number, since it uses less digits than its factorization.

80666608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458352 (or 458346 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 80666608 is about 8981.4591242181. The cubic root of 80666608 is about 432.0804319831.

The spelling of 80666608 in words is "eighty million, six hundred sixty-six thousand, six hundred eight".