84727723 has 2 divisors, whose sum is σ = 84727724. Its totient is φ = 84727722.

The previous prime is 84727703. The next prime is 84727781. The reversal of 84727723 is 32772748.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84727723 is a prime.

It is not a weakly prime, because it can be changed into another prime (84727703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42363861 + 42363862.

It is an arithmetic number, because the mean of its divisors is an integer number (42363862).

Almost surely, 2^84727723 is an apocalyptic number.

84727723 is a deficient number, since it is larger than the sum of its proper divisors (1).

84727723 is an equidigital number, since it uses as much as digits as its factorization.

84727723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131712, while the sum is 40.

The square root of 84727723 is about 9204.7663196846. The cubic root of 84727723 is about 439.2129922595.

The spelling of 84727723 in words is "eighty-four million, seven hundred twenty-seven thousand, seven hundred twenty-three".