80412866 has 8 divisors (see below), whose sum is σ = 120662460. Its totient is φ = 40192048.

The previous prime is 80412859. The next prime is 80412869. The reversal of 80412866 is 66821408.

It can be written as a sum of positive squares in 2 ways, for example, as 59059225 + 21353641 = 7685^2 + 4621^2 .

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

It is not an unprimeable number, because it can be changed into a prime (80412869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2300 + ... + 12888.

Almost surely, 2^80412866 is an apocalyptic number.

80412866 is a deficient number, since it is larger than the sum of its proper divisors (40249594).

80412866 is a wasteful number, since it uses less digits than its factorization.

80412866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14388.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 80412866 is about 8967.3221197858. The cubic root of 80412866 is about 431.6269105336.

The spelling of 80412866 in words is "eighty million, four hundred twelve thousand, eight hundred sixty-six".