84402007 has 2 divisors, whose sum is σ = 84402008. Its totient is φ = 84402006.

The previous prime is 84401983. The next prime is 84402049. The reversal of 84402007 is 70020448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84402007 - 2¹⁹ = 83877719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84402107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42201003 + 42201004.

It is an arithmetic number, because the mean of its divisors is an integer number (42201004).

Almost surely, 2^84402007 is an apocalyptic number.

84402007 is a deficient number, since it is larger than the sum of its proper divisors (1).

84402007 is an equidigital number, since it uses as much as digits as its factorization.

84402007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 84402007 is about 9187.0564926967. The cubic root of 84402007 is about 438.6494521530.

The spelling of 84402007 in words is "eighty-four million, four hundred two thousand, seven".