36728644786 has 8 divisors (see below), whose sum is σ = 55142918784. Its totient is φ = 18347671860.

The previous prime is 36728644753. The next prime is 36728644807. The reversal of 36728644786 is 68744682763.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8322510 + ... + 8326921.

It is an arithmetic number, because the mean of its divisors is an integer number (6892864848).

Almost surely, 2^36728644786 is an apocalyptic number.

36728644786 is a deficient number, since it is larger than the sum of its proper divisors (18414273998).

36728644786 is a wasteful number, since it uses less digits than its factorization.

36728644786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16650536.

The product of its digits is 65028096, while the sum is 61.

The spelling of 36728644786 in words is "thirty-six billion, seven hundred twenty-eight million, six hundred forty-four thousand, seven hundred eighty-six".