85364564863 has 2 divisors, whose sum is σ = 85364564864. Its totient is φ = 85364564862.

The previous prime is 85364564821. The next prime is 85364564869. The reversal of 85364564863 is 36846546358.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85364564863 - 2²¹ = 85362467711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85364564798 and 85364564807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85364564869) 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, 42682282431 + 42682282432.

It is an arithmetic number, because the mean of its divisors is an integer number (42682282432).

Almost surely, 2^85364564863 is an apocalyptic number.

85364564863 is a deficient number, since it is larger than the sum of its proper divisors (1).

85364564863 is an equidigital number, since it uses as much as digits as its factorization.

85364564863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49766400, while the sum is 58.

The spelling of 85364564863 in words is "eighty-five billion, three hundred sixty-four million, five hundred sixty-four thousand, eight hundred sixty-three".