84449507 has 2 divisors, whose sum is σ = 84449508. Its totient is φ = 84449506.

The previous prime is 84449501. The next prime is 84449513. The reversal of 84449507 is 70594448.

It is a balanced prime because it is at equal distance from previous prime (84449501) and next prime (84449513).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84449507 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84449501) 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, 42224753 + 42224754.

It is an arithmetic number, because the mean of its divisors is an integer number (42224754).

Almost surely, 2^84449507 is an apocalyptic number.

84449507 is a deficient number, since it is larger than the sum of its proper divisors (1).

84449507 is an equidigital number, since it uses as much as digits as its factorization.

84449507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 84449507 is about 9189.6412878850. The cubic root of 84449507 is about 438.7317248471.

The spelling of 84449507 in words is "eighty-four million, four hundred forty-nine thousand, five hundred seven".