80486866 has 8 divisors (see below), whose sum is σ = 121428684. Its totient is φ = 40010640.

The previous prime is 80486863. The next prime is 80486893. The reversal of 80486866 is 66868408.

It can be written as a sum of positive squares in 2 ways, for example, as 76055841 + 4431025 = 8721^2 + 2105^2 .

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 (80486863) 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 3 ways as a sum of consecutive naturals, for example, 115965 + ... + 116656.

Almost surely, 2^80486866 is an apocalyptic number.

80486866 is a deficient number, since it is larger than the sum of its proper divisors (40941818).

80486866 is a wasteful number, since it uses less digits than its factorization.

80486866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232796.

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 80486866 is about 8971.4472634018. The cubic root of 80486866 is about 431.7592716023.

The spelling of 80486866 in words is "eighty million, four hundred eighty-six thousand, eight hundred sixty-six".