85319011 has 2 divisors, whose sum is σ = 85319012. Its totient is φ = 85319010.

The previous prime is 85318997. The next prime is 85319051. The reversal of 85319011 is 11091358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85319011 - 2⁵ = 85318979 is a prime.

It is not a weakly prime, because it can be changed into another prime (85319051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42659505 + 42659506.

It is an arithmetic number, because the mean of its divisors is an integer number (42659506).

Almost surely, 2^85319011 is an apocalyptic number.

85319011 is a deficient number, since it is larger than the sum of its proper divisors (1).

85319011 is an equidigital number, since it uses as much as digits as its factorization.

85319011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 85319011 is about 9236.8290554714. The cubic root of 85319011 is about 440.2323342543.

The spelling of 85319011 in words is "eighty-five million, three hundred nineteen thousand, eleven".