36728045827 has 4 divisors (see below), whose sum is σ = 40066959096. Its totient is φ = 33389132560.

The previous prime is 36728045821. The next prime is 36728045881. The reversal of 36728045827 is 72854082763.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 36728045827 - 2¹⁹ = 36727521539 is a prime.

It is a super-2 number, since 2×36728045827² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36728045821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1669456618 + ... + 1669456639.

It is an arithmetic number, because the mean of its divisors is an integer number (10016739774).

Almost surely, 2^36728045827 is an apocalyptic number.

36728045827 is a deficient number, since it is larger than the sum of its proper divisors (3338913269).

36728045827 is a wasteful number, since it uses less digits than its factorization.

36728045827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338913268.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 36728045827 in words is "thirty-six billion, seven hundred twenty-eight million, forty-five thousand, eight hundred twenty-seven".