84242107 has 2 divisors, whose sum is σ = 84242108. Its totient is φ = 84242106.

The previous prime is 84242099. The next prime is 84242111. The reversal of 84242107 is 70124248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84242107 - 2³ = 84242099 is a prime.

It is not a weakly prime, because it can be changed into another prime (84242507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42121053 + 42121054.

It is an arithmetic number, because the mean of its divisors is an integer number (42121054).

Almost surely, 2^84242107 is an apocalyptic number.

84242107 is a deficient number, since it is larger than the sum of its proper divisors (1).

84242107 is an equidigital number, since it uses as much as digits as its factorization.

84242107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 84242107 is about 9178.3499061651. The cubic root of 84242107 is about 438.3722692197.

The spelling of 84242107 in words is "eighty-four million, two hundred forty-two thousand, one hundred seven".