85944311 has 2 divisors, whose sum is σ = 85944312. Its totient is φ = 85944310.

The previous prime is 85944301. The next prime is 85944349. The reversal of 85944311 is 11344958.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85944311 - 2¹⁰ = 85943287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85944301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42972155 + 42972156.

It is an arithmetic number, because the mean of its divisors is an integer number (42972156).

Almost surely, 2^85944311 is an apocalyptic number.

85944311 is a deficient number, since it is larger than the sum of its proper divisors (1).

85944311 is an equidigital number, since it uses as much as digits as its factorization.

85944311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 85944311 is about 9270.6154596122. The cubic root of 85944311 is about 441.3051998878.

The spelling of 85944311 in words is "eighty-five million, nine hundred forty-four thousand, three hundred eleven".