36878161 has 2 divisors, whose sum is σ = 36878162. Its totient is φ = 36878160.

The previous prime is 36878143. The next prime is 36878167. The reversal of 36878161 is 16187863.

36878161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35473936 + 1404225 = 5956^2 + 1185^2 .

It is an emirp because it is prime and its reverse (16187863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36878161 - 2¹³ = 36869969 is a prime.

It is not a weakly prime, because it can be changed into another prime (36878167) 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, 18439080 + 18439081.

It is an arithmetic number, because the mean of its divisors is an integer number (18439081).

Almost surely, 2^36878161 is an apocalyptic number.

It is an amenable number.

36878161 is a deficient number, since it is larger than the sum of its proper divisors (1).

36878161 is an equidigital number, since it uses as much as digits as its factorization.

36878161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 40.

The square root of 36878161 is about 6072.7391677891. The cubic root of 36878161 is about 332.8560220703.

The spelling of 36878161 in words is "thirty-six million, eight hundred seventy-eight thousand, one hundred sixty-one".