36778067369 has 2 divisors, whose sum is σ = 36778067370. Its totient is φ = 36778067368.

The previous prime is 36778067317. The next prime is 36778067411. The reversal of 36778067369 is 96376087763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33119632144 + 3658435225 = 181988^2 + 60485^2 .

It is a cyclic number.

It is not a de Polignac number, because 36778067369 - 2²⁰ = 36777018793 is a prime.

It is a super-2 number, since 2×36778067369² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36778067569) 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, 18389033684 + 18389033685.

It is an arithmetic number, because the mean of its divisors is an integer number (18389033685).

Almost surely, 2^36778067369 is an apocalyptic number.

It is an amenable number.

36778067369 is a deficient number, since it is larger than the sum of its proper divisors (1).

36778067369 is an equidigital number, since it uses as much as digits as its factorization.

36778067369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48009024, while the sum is 62.

The spelling of 36778067369 in words is "thirty-six billion, seven hundred seventy-eight million, sixty-seven thousand, three hundred sixty-nine".