84500685 has 48 divisors (see below), whose sum is σ = 154267200. Its totient is φ = 43873056.

The previous prime is 84500683. The next prime is 84500729. The reversal of 84500685 is 58600548.

It is a happy number.

It is not a de Polignac number, because 84500685 - 2¹ = 84500683 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84500681) 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 47 ways as a sum of consecutive naturals, for example, 820344 + ... + 820446.

It is an arithmetic number, because the mean of its divisors is an integer number (3213900).

Almost surely, 2^84500685 is an apocalyptic number.

It is an amenable number.

84500685 is a deficient number, since it is larger than the sum of its proper divisors (69766515).

84500685 is a wasteful number, since it uses less digits than its factorization.

84500685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 84500685 is about 9192.4254144377. The cubic root of 84500685 is about 438.8203335270.

The spelling of 84500685 in words is "eighty-four million, five hundred thousand, six hundred eighty-five".