36860778418 has 4 divisors (see below), whose sum is σ = 55291167630. Its totient is φ = 18430389208.

The previous prime is 36860778389. The next prime is 36860778419. The reversal of 36860778418 is 81487706863.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31693612729 + 5167165689 = 178027^2 + 71883^2 .

It is not an unprimeable number, because it can be changed into a prime (36860778419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9215194603 + ... + 9215194606.

Almost surely, 2^36860778418 is an apocalyptic number.

36860778418 is a deficient number, since it is larger than the sum of its proper divisors (18430389212).

36860778418 is a wasteful number, since it uses less digits than its factorization.

36860778418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18430389211.

The product of its (nonzero) digits is 10838016, while the sum is 58.

The spelling of 36860778418 in words is "thirty-six billion, eight hundred sixty million, seven hundred seventy-eight thousand, four hundred eighteen".