84027299 has 2 divisors, whose sum is σ = 84027300. Its totient is φ = 84027298.

The previous prime is 84027287. The next prime is 84027331. The reversal of 84027299 is 99272048.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84027299 - 2⁴ = 84027283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84021299) 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, 42013649 + 42013650.

It is an arithmetic number, because the mean of its divisors is an integer number (42013650).

Almost surely, 2^84027299 is an apocalyptic number.

84027299 is a deficient number, since it is larger than the sum of its proper divisors (1).

84027299 is an equidigital number, since it uses as much as digits as its factorization.

84027299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 84027299 is about 9166.6405514780. The cubic root of 84027299 is about 437.9993519030. Note that the first 3 decimals are identical.

The spelling of 84027299 in words is "eighty-four million, twenty-seven thousand, two hundred ninety-nine".