11783864237 has 2 divisors, whose sum is σ = 11783864238. Its totient is φ = 11783864236.

The previous prime is 11783864227. The next prime is 11783864293. The reversal of 11783864237 is 73246838711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10843889956 + 939974281 = 104134^2 + 30659^2 .

It is a cyclic number.

It is not a de Polignac number, because 11783864237 - 2⁶ = 11783864173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11783864207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5891932118 + 5891932119.

It is an arithmetic number, because the mean of its divisors is an integer number (5891932119).

Almost surely, 2^11783864237 is an apocalyptic number.

It is an amenable number.

11783864237 is a deficient number, since it is larger than the sum of its proper divisors (1).

11783864237 is an equidigital number, since it uses as much as digits as its factorization.

11783864237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 50.

The spelling of 11783864237 in words is "eleven billion, seven hundred eighty-three million, eight hundred sixty-four thousand, two hundred thirty-seven".