84500665 has 8 divisors (see below), whose sum is σ = 101495808. Its totient is φ = 67537200.

The previous prime is 84500653. The next prime is 84500681. The reversal of 84500665 is 56600548.

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

It is not a de Polignac number, because 84500665 - 2¹⁵ = 84467897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84500665.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1587 + ... + 13096.

It is an arithmetic number, because the mean of its divisors is an integer number (12686976).

Almost surely, 2^84500665 is an apocalyptic number.

It is an amenable number.

84500665 is a deficient number, since it is larger than the sum of its proper divisors (16995143).

84500665 is a wasteful number, since it uses less digits than its factorization.

84500665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15839.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 84500665 is about 9192.4243265855. The cubic root of 84500665 is about 438.8202989064.

The spelling of 84500665 in words is "eighty-four million, five hundred thousand, six hundred sixty-five".