84545866 has 16 divisors (see below), whose sum is σ = 131171328. Its totient is φ = 40827600.

The previous prime is 84545863. The next prime is 84545873. The reversal of 84545866 is 66854548.

It is not an unprimeable number, because it can be changed into a prime (84545863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39951 + ... + 42013.

It is an arithmetic number, because the mean of its divisors is an integer number (8198208).

Almost surely, 2^84545866 is an apocalyptic number.

84545866 is a deficient number, since it is larger than the sum of its proper divisors (46625462).

84545866 is a wasteful number, since it uses less digits than its factorization.

84545866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757.

The product of its digits is 921600, while the sum is 46.

The square root of 84545866 is about 9194.8825984892. The cubic root of 84545866 is about 438.8985293781.

The spelling of 84545866 in words is "eighty-four million, five hundred forty-five thousand, eight hundred sixty-six".