85398214177 has 2 divisors, whose sum is σ = 85398214178. Its totient is φ = 85398214176.

The previous prime is 85398214163. The next prime is 85398214199. The reversal of 85398214177 is 77141289358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63697683456 + 21700530721 = 252384^2 + 147311^2 .

It is a cyclic number.

It is not a de Polignac number, because 85398214177 - 2¹⁹ = 85397689889 is a prime.

It is not a weakly prime, because it can be changed into another prime (85398214277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42699107088 + 42699107089.

It is an arithmetic number, because the mean of its divisors is an integer number (42699107089).

Almost surely, 2^85398214177 is an apocalyptic number.

It is an amenable number.

85398214177 is a deficient number, since it is larger than the sum of its proper divisors (1).

85398214177 is an equidigital number, since it uses as much as digits as its factorization.

85398214177 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 55.

The spelling of 85398214177 in words is "eighty-five billion, three hundred ninety-eight million, two hundred fourteen thousand, one hundred seventy-seven".