36378689 has 2 divisors, whose sum is σ = 36378690. Its totient is φ = 36378688.

The previous prime is 36378679. The next prime is 36378697. The reversal of 36378689 is 98687363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20178064 + 16200625 = 4492^2 + 4025^2 .

It is a cyclic number.

It is not a de Polignac number, because 36378689 - 2¹² = 36374593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36378649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18189344 + 18189345.

It is an arithmetic number, because the mean of its divisors is an integer number (18189345).

Almost surely, 2^36378689 is an apocalyptic number.

It is an amenable number.

36378689 is a deficient number, since it is larger than the sum of its proper divisors (1).

36378689 is an equidigital number, since it uses as much as digits as its factorization.

36378689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 50.

The square root of 36378689 is about 6031.4748610933. The cubic root of 36378689 is about 331.3464698732.

The spelling of 36378689 in words is "thirty-six million, three hundred seventy-eight thousand, six hundred eighty-nine".