84312703 has 2 divisors, whose sum is σ = 84312704. Its totient is φ = 84312702.

The previous prime is 84312667. The next prime is 84312727. The reversal of 84312703 is 30721348.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84312703 - 2¹⁷ = 84181631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84312743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42156351 + 42156352.

It is an arithmetic number, because the mean of its divisors is an integer number (42156352).

Almost surely, 2^84312703 is an apocalyptic number.

84312703 is a deficient number, since it is larger than the sum of its proper divisors (1).

84312703 is an equidigital number, since it uses as much as digits as its factorization.

84312703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 84312703 is about 9182.1948901121. The cubic root of 84312703 is about 438.4946889497.

The spelling of 84312703 in words is "eighty-four million, three hundred twelve thousand, seven hundred three".