86141866 has 4 divisors (see below), whose sum is σ = 129212802. Its totient is φ = 43070932.

The previous prime is 86141851. The next prime is 86141893. The reversal of 86141866 is 66814168.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 86099841 + 42025 = 9279^2 + 205^2 .

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 as a sum of consecutive naturals, namely, 21535465 + ... + 21535468.

Almost surely, 2^86141866 is an apocalyptic number.

86141866 is a deficient number, since it is larger than the sum of its proper divisors (43070936).

86141866 is a wasteful number, since it uses less digits than its factorization.

86141866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43070935.

The product of its digits is 55296, while the sum is 40.

The square root of 86141866 is about 9281.2642457803. The cubic root of 86141866 is about 441.6430750106.

The spelling of 86141866 in words is "eighty-six million, one hundred forty-one thousand, eight hundred sixty-six".