36780008819 has 2 divisors, whose sum is σ = 36780008820. Its totient is φ = 36780008818.

The previous prime is 36780008747. The next prime is 36780008821. The reversal of 36780008819 is 91880008763.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36780008819 - 2¹⁶ = 36779943283 is a prime.

It is a super-2 number, since 2×36780008819² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 36780008821, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36780008219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18390004409 + 18390004410.

It is an arithmetic number, because the mean of its divisors is an integer number (18390004410).

Almost surely, 2^36780008819 is an apocalyptic number.

36780008819 is a deficient number, since it is larger than the sum of its proper divisors (1).

36780008819 is an equidigital number, since it uses as much as digits as its factorization.

36780008819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 36780008819 in words is "thirty-six billion, seven hundred eighty million, eight thousand, eight hundred nineteen".