85845079 has 2 divisors, whose sum is σ = 85845080. Its totient is φ = 85845078.

The previous prime is 85845073. The next prime is 85845101. The reversal of 85845079 is 97054858.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85845079 - 2⁵ = 85845047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85845073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42922539 + 42922540.

It is an arithmetic number, because the mean of its divisors is an integer number (42922540).

Almost surely, 2^85845079 is an apocalyptic number.

85845079 is a deficient number, since it is larger than the sum of its proper divisors (1).

85845079 is an equidigital number, since it uses as much as digits as its factorization.

85845079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 85845079 is about 9265.2619498857. The cubic root of 85845079 is about 441.1352896209.

The spelling of 85845079 in words is "eighty-five million, eight hundred forty-five thousand, seventy-nine".