84382757 has 2 divisors, whose sum is σ = 84382758. Its totient is φ = 84382756.

The previous prime is 84382741. The next prime is 84382763. The reversal of 84382757 is 75728348.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62236321 + 22146436 = 7889^2 + 4706^2 .

It is a cyclic number.

It is not a de Polignac number, because 84382757 - 2⁴ = 84382741 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84382717) 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 as a sum of consecutive naturals, namely, 42191378 + 42191379.

It is an arithmetic number, because the mean of its divisors is an integer number (42191379).

Almost surely, 2^84382757 is an apocalyptic number.

It is an amenable number.

84382757 is a deficient number, since it is larger than the sum of its proper divisors (1).

84382757 is an equidigital number, since it uses as much as digits as its factorization.

84382757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 376320, while the sum is 44.

The square root of 84382757 is about 9186.0087633313. The cubic root of 84382757 is about 438.6161012715.

The spelling of 84382757 in words is "eighty-four million, three hundred eighty-two thousand, seven hundred fifty-seven".