84928705 has 8 divisors (see below), whose sum is σ = 102540672. Its totient is φ = 67525488.

The previous prime is 84928703. The next prime is 84928717. The reversal of 84928705 is 50782948.

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 84928705 - 2¹ = 84928703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84928703) by changing a digit.

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, 51289 + ... + 52918.

It is an arithmetic number, because the mean of its divisors is an integer number (12817584).

Almost surely, 2^84928705 is an apocalyptic number.

It is an amenable number.

84928705 is a deficient number, since it is larger than the sum of its proper divisors (17611967).

84928705 is a wasteful number, since it uses less digits than its factorization.

84928705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104375.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 84928705 is about 9215.6771319312. The cubic root of 84928705 is about 439.5600026451.

The spelling of 84928705 in words is "eighty-four million, nine hundred twenty-eight thousand, seven hundred five".