80666822 has 8 divisors (see below), whose sum is σ = 121282272. Its totient is φ = 40239400.

The previous prime is 80666809. The next prime is 80666851. The reversal of 80666822 is 22866608.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 45929 + ... + 47652.

It is an arithmetic number, because the mean of its divisors is an integer number (15160284).

Almost surely, 2^80666822 is an apocalyptic number.

80666822 is a deficient number, since it is larger than the sum of its proper divisors (40615450).

80666822 is a wasteful number, since it uses less digits than its factorization.

80666822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94014.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 80666822 is about 8981.4710376419. The cubic root of 80666822 is about 432.0808140707.

The spelling of 80666822 in words is "eighty million, six hundred sixty-six thousand, eight hundred twenty-two".