36668777 has 2 divisors, whose sum is σ = 36668778. Its totient is φ = 36668776.

The previous prime is 36668767. The next prime is 36668833. The reversal of 36668777 is 77786663.

36668777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31933801 + 4734976 = 5651^2 + 2176^2 .

It is a cyclic number.

It is not a de Polignac number, because 36668777 - 2⁶ = 36668713 is a prime.

It is not a weakly prime, because it can be changed into another prime (36668707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18334388 + 18334389.

It is an arithmetic number, because the mean of its divisors is an integer number (18334389).

Almost surely, 2^36668777 is an apocalyptic number.

It is an amenable number.

36668777 is a deficient number, since it is larger than the sum of its proper divisors (1).

36668777 is an equidigital number, since it uses as much as digits as its factorization.

36668777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1778112, while the sum is 50.

The square root of 36668777 is about 6055.4749607277. The cubic root of 36668777 is about 332.2248712435.

The spelling of 36668777 in words is "thirty-six million, six hundred sixty-eight thousand, seven hundred seventy-seven".