84066907 has 2 divisors, whose sum is σ = 84066908. Its totient is φ = 84066906.

The previous prime is 84066883. The next prime is 84066929. The reversal of 84066907 is 70966048.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84066907 - 2⁷ = 84066779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84066907.

It is not a weakly prime, because it can be changed into another prime (84066937) 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, 42033453 + 42033454.

It is an arithmetic number, because the mean of its divisors is an integer number (42033454).

Almost surely, 2^84066907 is an apocalyptic number.

84066907 is a deficient number, since it is larger than the sum of its proper divisors (1).

84066907 is an equidigital number, since it uses as much as digits as its factorization.

84066907 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 40.

The square root of 84066907 is about 9168.8007394642. The cubic root of 84066907 is about 438.0681611012.

The spelling of 84066907 in words is "eighty-four million, sixty-six thousand, nine hundred seven".