85455377167 has 2 divisors, whose sum is σ = 85455377168. Its totient is φ = 85455377166.

The previous prime is 85455377159. The next prime is 85455377173. The reversal of 85455377167 is 76177355458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85455377167 - 2³ = 85455377159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85455377177) 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, 42727688583 + 42727688584.

It is an arithmetic number, because the mean of its divisors is an integer number (42727688584).

Almost surely, 2^85455377167 is an apocalyptic number.

85455377167 is a deficient number, since it is larger than the sum of its proper divisors (1).

85455377167 is an equidigital number, since it uses as much as digits as its factorization.

85455377167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24696000, while the sum is 58.

The spelling of 85455377167 in words is "eighty-five billion, four hundred fifty-five million, three hundred seventy-seven thousand, one hundred sixty-seven".