84375665 has 8 divisors (see below), whose sum is σ = 110455488. Its totient is φ = 61364080.

The previous prime is 84375653. The next prime is 84375671. The reversal of 84375665 is 56657348.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84375665 - 2²⁰ = 83327089 is a prime.

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 in 7 ways as a sum of consecutive naturals, for example, 766997 + ... + 767106.

It is an arithmetic number, because the mean of its divisors is an integer number (13806936).

Almost surely, 2^84375665 is an apocalyptic number.

It is an amenable number.

84375665 is a deficient number, since it is larger than the sum of its proper divisors (26079823).

84375665 is a wasteful number, since it uses less digits than its factorization.

84375665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534119.

The product of its digits is 604800, while the sum is 44.

The square root of 84375665 is about 9185.6227333807. The cubic root of 84375665 is about 438.6038130085.

The spelling of 84375665 in words is "eighty-four million, three hundred seventy-five thousand, six hundred sixty-five".