84382717 has 2 divisors, whose sum is σ = 84382718. Its totient is φ = 84382716.

The previous prime is 84382709. The next prime is 84382729. The reversal of 84382717 is 71728348.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84382596 + 121 = 9186^2 + 11^2 .

It is a cyclic number.

It is not a de Polignac number, because 84382717 - 2³ = 84382709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84382717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84382757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42191358 + 42191359.

It is an arithmetic number, because the mean of its divisors is an integer number (42191359).

Almost surely, 2^84382717 is an apocalyptic number.

It is an amenable number.

84382717 is a deficient number, since it is larger than the sum of its proper divisors (1).

84382717 is an equidigital number, since it uses as much as digits as its factorization.

84382717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 40.

The square root of 84382717 is about 9186.0065861069. The cubic root of 84382717 is about 438.6160319657.

The spelling of 84382717 in words is "eighty-four million, three hundred eighty-two thousand, seven hundred seventeen".