36568789 has 2 divisors, whose sum is σ = 36568790. Its totient is φ = 36568788.

The previous prime is 36568783. The next prime is 36568793. The reversal of 36568789 is 98786563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27478564 + 9090225 = 5242^2 + 3015^2 .

It is an emirp because it is prime and its reverse (98786563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36568789 - 2⁹ = 36568277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36568783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18284394 + 18284395.

It is an arithmetic number, because the mean of its divisors is an integer number (18284395).

Almost surely, 2^36568789 is an apocalyptic number.

It is an amenable number.

36568789 is a deficient number, since it is larger than the sum of its proper divisors (1).

36568789 is an equidigital number, since it uses as much as digits as its factorization.

36568789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 52.

The square root of 36568789 is about 6047.2133251606. The cubic root of 36568789 is about 331.9226273706.

The spelling of 36568789 in words is "thirty-six million, five hundred sixty-eight thousand, seven hundred eighty-nine".