36776784337 has 2 divisors, whose sum is σ = 36776784338. Its totient is φ = 36776784336.

The previous prime is 36776784307. The next prime is 36776784347. The reversal of 36776784337 is 73348767763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21049367056 + 15727417281 = 145084^2 + 125409^2 .

It is an emirp because it is prime and its reverse (73348767763) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36776784337 is a prime.

It is not a weakly prime, because it can be changed into another prime (36776784307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18388392168 + 18388392169.

It is an arithmetic number, because the mean of its divisors is an integer number (18388392169).

Almost surely, 2^36776784337 is an apocalyptic number.

It is an amenable number.

36776784337 is a deficient number, since it is larger than the sum of its proper divisors (1).

36776784337 is an equidigital number, since it uses as much as digits as its factorization.

36776784337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74680704, while the sum is 61.

The spelling of 36776784337 in words is "thirty-six billion, seven hundred seventy-six million, seven hundred eighty-four thousand, three hundred thirty-seven".