84717715723 has 2 divisors, whose sum is σ = 84717715724. Its totient is φ = 84717715722.

The previous prime is 84717715703. The next prime is 84717715727. The reversal of 84717715723 is 32751771748.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84717715723 - 2³³ = 76127781131 is a prime.

It is not a weakly prime, because it can be changed into another prime (84717715727) 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, 42358857861 + 42358857862.

It is an arithmetic number, because the mean of its divisors is an integer number (42358857862).

Almost surely, 2^84717715723 is an apocalyptic number.

84717715723 is a deficient number, since it is larger than the sum of its proper divisors (1).

84717715723 is an equidigital number, since it uses as much as digits as its factorization.

84717715723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304960, while the sum is 52.

The spelling of 84717715723 in words is "eighty-four billion, seven hundred seventeen million, seven hundred fifteen thousand, seven hundred twenty-three".