84075505 has 8 divisors (see below), whose sum is σ = 101057832. Its totient is φ = 67148928.

The previous prime is 84075499. The next prime is 84075529. The reversal of 84075505 is 50557048.

It can be written as a sum of positive squares in 4 ways, for example, as 41616 + 84033889 = 204^2 + 9167^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 84075505 - 2⁷ = 84075377 is a prime.

It is a Duffinian number.

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, 10542 + ... + 16711.

It is an arithmetic number, because the mean of its divisors is an integer number (12632229).

Almost surely, 2^84075505 is an apocalyptic number.

It is an amenable number.

84075505 is a deficient number, since it is larger than the sum of its proper divisors (16982327).

84075505 is a wasteful number, since it uses less digits than its factorization.

84075505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27875.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 84075505 is about 9169.2696001372. The cubic root of 84075505 is about 438.0830951650.

The spelling of 84075505 in words is "eighty-four million, seventy-five thousand, five hundred five".