36678689 has 2 divisors, whose sum is σ = 36678690. Its totient is φ = 36678688.

The previous prime is 36678667. The next prime is 36678709. The reversal of 36678689 is 98687663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34810000 + 1868689 = 5900^2 + 1367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36678689 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 36678689.

It is not a weakly prime, because it can be changed into another prime (36678289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18339344 + 18339345.

It is an arithmetic number, because the mean of its divisors is an integer number (18339345).

Almost surely, 2^36678689 is an apocalyptic number.

It is an amenable number.

36678689 is a deficient number, since it is larger than the sum of its proper divisors (1).

36678689 is an equidigital number, since it uses as much as digits as its factorization.

36678689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 53.

The square root of 36678689 is about 6056.2933383382. The cubic root of 36678689 is about 332.2548033049.

The spelling of 36678689 in words is "thirty-six million, six hundred seventy-eight thousand, six hundred eighty-nine".