84480705 has 32 divisors (see below), whose sum is σ = 153861120. Its totient is φ = 43954560.

The previous prime is 84480689. The next prime is 84480709. The reversal of 84480705 is 50708448.

It is not a de Polignac number, because 84480705 - 2⁴ = 84480689 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84480705.

It is not an unprimeable number, because it can be changed into a prime (84480709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2097 + ... + 13166.

It is an arithmetic number, because the mean of its divisors is an integer number (4808160).

Almost surely, 2^84480705 is an apocalyptic number.

It is an amenable number.

84480705 is a deficient number, since it is larger than the sum of its proper divisors (69380415).

84480705 is a wasteful number, since it uses less digits than its factorization.

84480705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15318 (or 15312 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 84480705 is about 9191.3385858644. The cubic root of 84480705 is about 438.7857447684.

The spelling of 84480705 in words is "eighty-four million, four hundred eighty thousand, seven hundred five".