36778849 has 2 divisors, whose sum is σ = 36778850. Its totient is φ = 36778848.

The previous prime is 36778829. The next prime is 36778853. The reversal of 36778849 is 94887763.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21902400 + 14876449 = 4680^2 + 3857^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36778849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36778796 and 36778805.

It is not a weakly prime, because it can be changed into another prime (36778829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18389424 + 18389425.

It is an arithmetic number, because the mean of its divisors is an integer number (18389425).

Almost surely, 2^36778849 is an apocalyptic number.

It is an amenable number.

36778849 is a deficient number, since it is larger than the sum of its proper divisors (1).

36778849 is an equidigital number, since it uses as much as digits as its factorization.

36778849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 52.

The square root of 36778849 is about 6064.5567851245. The cubic root of 36778849 is about 332.5569623705.

The spelling of 36778849 in words is "thirty-six million, seven hundred seventy-eight thousand, eight hundred forty-nine".