85246301779 has 2 divisors, whose sum is σ = 85246301780. Its totient is φ = 85246301778.

The previous prime is 85246301761. The next prime is 85246301801. The reversal of 85246301779 is 97710364258.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85246301779 - 2¹⁷ = 85246170707 is a prime.

It is a pancake number, because a pancake can be divided into 85246301779 parts by 412907 straight cuts.

It is not a weakly prime, because it can be changed into another prime (85246301479) 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, 42623150889 + 42623150890.

It is an arithmetic number, because the mean of its divisors is an integer number (42623150890).

It is a 2-persistent number, because it is pandigital, and so is 2⋅85246301779 = 170492603558, but 3⋅85246301779 = 255738905337 is not.

Almost surely, 2^85246301779 is an apocalyptic number.

85246301779 is a deficient number, since it is larger than the sum of its proper divisors (1).

85246301779 is an equidigital number, since it uses as much as digits as its factorization.

85246301779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 85246301779 in words is "eighty-five billion, two hundred forty-six million, three hundred one thousand, seven hundred seventy-nine".