84511688 has 16 divisors (see below), whose sum is σ = 158701680. Its totient is φ = 42191248.

The previous prime is 84511681. The next prime is 84511699. The reversal of 84511688 is 88611548.

It is not an unprimeable number, because it can be changed into a prime (84511681) 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, 2270 + ... + 13197.

It is an arithmetic number, because the mean of its divisors is an integer number (9918855).

Almost surely, 2^84511688 is an apocalyptic number.

It is an amenable number.

84511688 is a deficient number, since it is larger than the sum of its proper divisors (74189992).

84511688 is a wasteful number, since it uses less digits than its factorization.

84511688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16156 (or 16152 counting only the distinct ones).

The product of its digits is 61440, while the sum is 41.

The square root of 84511688 is about 9193.0238768318. The cubic root of 84511688 is about 438.8393792526.

The spelling of 84511688 in words is "eighty-four million, five hundred eleven thousand, six hundred eighty-eight".