85336509079 has 2 divisors, whose sum is σ = 85336509080. Its totient is φ = 85336509078.

The previous prime is 85336508953. The next prime is 85336509103. The reversal of 85336509079 is 97090563358.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85336509079 - 2⁹ = 85336508567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85336599079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42668254539 + 42668254540.

It is an arithmetic number, because the mean of its divisors is an integer number (42668254540).

Almost surely, 2^85336509079 is an apocalyptic number.

85336509079 is a deficient number, since it is larger than the sum of its proper divisors (1).

85336509079 is an equidigital number, since it uses as much as digits as its factorization.

85336509079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6123600, while the sum is 55.

The spelling of 85336509079 in words is "eighty-five billion, three hundred thirty-six million, five hundred nine thousand, seventy-nine".