84282709 has 8 divisors (see below), whose sum is σ = 98563520. Its totient is φ = 70562016.

The previous prime is 84282701. The next prime is 84282713. The reversal of 84282709 is 90728248.

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

It is not a de Polignac number, because 84282709 - 2³ = 84282701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84282701) by changing a digit.

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, 139704 + ... + 140305.

It is an arithmetic number, because the mean of its divisors is an integer number (12320440).

Almost surely, 2^84282709 is an apocalyptic number.

It is an amenable number.

84282709 is a deficient number, since it is larger than the sum of its proper divisors (14280811).

84282709 is a wasteful number, since it uses less digits than its factorization.

84282709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280059.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 84282709 is about 9180.5614752040. The cubic root of 84282709 is about 438.4426850438.

The spelling of 84282709 in words is "eighty-four million, two hundred eighty-two thousand, seven hundred nine".