85765793 has 2 divisors, whose sum is σ = 85765794. Its totient is φ = 85765792.

The previous prime is 85765787. The next prime is 85765807. The reversal of 85765793 is 39756758.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80694289 + 5071504 = 8983^2 + 2252^2 .

It is a cyclic number.

It is not a de Polignac number, because 85765793 - 2¹⁶ = 85700257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85765193) 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, 42882896 + 42882897.

It is an arithmetic number, because the mean of its divisors is an integer number (42882897).

Almost surely, 2^85765793 is an apocalyptic number.

It is an amenable number.

85765793 is a deficient number, since it is larger than the sum of its proper divisors (1).

85765793 is an equidigital number, since it uses as much as digits as its factorization.

85765793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1587600, while the sum is 50.

The square root of 85765793 is about 9260.9822913123. The cubic root of 85765793 is about 440.9994378193. Note that the first 3 decimals are identical.

The spelling of 85765793 in words is "eighty-five million, seven hundred sixty-five thousand, seven hundred ninety-three".